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alkaline earth metals list

To date, researchers have achieved great progress in utilization of alkaline earth metals in the syntheses of various heterocyclic compounds. Beryllium is an alkaline earth metal with the symbol Be and the atomic number 4. Not only athletes, people with disease like high blood, osteoporosis, clogged arteries, diabetes, stroke and hereditary heart disease also need magnesium because they have low magnesium in their body. Looking for Alkaline Earth Metals List? The heterocyclic beryllole is the first antiaromatic molecule containing an alkaline earth metal in its π system. Alkaline earth metals share many similar properties including: Contact Us | ii. Like the alkali metals, these elements are found in compounds rather than pure form. For living organism, magnesium plays important role in chlorophyll, the green pigment in plants / leaves which captures energy from sunlight and it also used in fertilizers. 3) Magnesium (powder or ribbon) is used in flash powders and bulbs, incendiary bombs and signals. Beryllium can be founded primarily in emeralds and aquamarines which is both are precious stones in the world which that are forms of the beryllium alluminosilicate compound beryl and beryllium is non-magnetic. The name “ alkaline ” comes from the fact that compounds of these elements form basic (pH greater than 7) or alkaline solutions when dissolved in water. The alkaline earth metals (beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: 1. shiny 2. silvery-white 3. somewhat reactive metals at standard temperature and pressure 4. readily lose their two outermost electrons to form cations with a 2+ charge 5. low densities 6. low melting points 7. low boiling poi… Present in the earth's crust but not in their basic form. Alkaline Earth Metals List. All the properties of these metal such as their physical, chemical, mechanical, thermal, optical, biological, magnetic, electrical are explained in brief with the help of relevant specifications. The temperature at which Metals starts boiling. All are insoluble in water and unstable to heat. It occurs naturally in the minerals celestine and strontianite. Heading to Group Two So we just covered the alkali metals in Group I. Is this article for you about the uses of Alkaline Earth Metals in daily life? Group number of Metals Some characteristics of alkaline earth metals are: An oxidation number of +2 which makes them very reactive. Beryllium Carbonate (BeCO 3) Insoluble in water. Moreover, enthusiasts are also catered with the detailed breakdown of the atomic, optical and chemical behaviour of the metals. Molybdenum: Bromine Pentafluoride: Incandescent at ambient or slightly elevated temperatures. 2) Magnesium – aluminium alloy being light in mass are used in construction of aircrafts. The alkaline earth metals are found in group IIA of the periodic table, which is the second column of elements. Another similarities between alkaline earth metals and alkali metals are fact four of them : magnesium, calcium, strontium, dan barium (alkaline earth metal) with sodium and potassium (alkali metal) identified in the first decade of nineteenth century by english chemist Sir Humphry Davy on 1778 to 1829. The earliest known alkaline earth was line (latin : calx). You will find the alkaline earth metals right next door in Group II. Magnesium Carbonate (MgCO 3) Uses: skin care products, cosmetic, anti-fire products, climbing chalk. A bivalent element, beryllium is steel grey, strong and light- weight yet brittle. But using more than standard procedure of magnesium consumption also not good for their stamina. Not found freely in nature. Period number is a horizontal row number of Metals in periodic table. Not literally it is a temperature point at which it converts to vapors. Beside it, calcium also used for food, cosmetic in making antacids, toothpaste, chewing gum and vitamins. That’s all information of alkaline earth metal which some elements can be found in natural environment, some are prohibited to use for people. The reactivity increases on moving down the Group from magnesium to barium. We provide all Alkaline Earth Metals + at a glance, through which you can navigate to their different parameter/properties like physical and chemical properties, mechanical stress/hardness, thermodynamics, magnetic and optical characteristics and many more! This arrangement is in the form of horizontal rows (periods) and columns(groups), which are classified by specific criteria. Some people has permission to use this, but not many of us need this. Reactivity with nitrogen: alkali metals do not react with nitrogen directly. The alkaline earth metals are the elements that correspond to group 2 of the modern periodic table. Bromine Trifluoride: Reacts vigorously. Simply snip out the pieces and bend the tabs through corresponding connection points. Privacy Policy | The temperature at which Metals metal starts melting. In 1774 Carl Wilhelm Scheele, the swedish chemist who discovered oxygen , found that the mineral called heavy spar or barys (greek : heavy) contained new earth which now known as. Learn the basics about Alkaline Earth metals which are a group of chemical elements in the periodic table with very similar properties? The alkaline earth metals are in the second group of the periodic table. Easy to follow instructions are included with each kit and NO GLUE OR SOLDER REQUIRED! Alkali and alkaline earth metals (such as powdered aluminum or magnesium, calcium, lithium, sodium, potassium) Water, carbon tetrachloride or other chlorinated hydrocarbons, carbon dioxide, halogens Ammonia (anhydrous) In order of increasing atomic number, the six element names and symbols are: They become stable by gaining the electron configuration of noble gasses through the donation of their outermost electrons. But right now we’d like to explain about uses of alkaline earth metal in daily life, which is beryllium, magnesium, calcium, strontium, barium and radium are inside that group. Athletes need to do consultation with doctor about how much doping they need before match started because it could be dangerous if athletes use more than normal. Alkaline earth metals combine with nitrogen directly and form nitrides. They named this instrument as Flame photometer. Periodic table of Alkaline Earth Metals illustrates the significance of the position of Alkaline Earth Metals in the modern periodic table. Properties of alkaline and alkaline earth metals and compounds. Alkali, Alkaline-Earth Metals with Halocarbons: Results in heat- or impact-sensitive explosions. Even it has toxic to human, but it has function for the application also in the health-care industry. then you are at the right place. Alkaline earth metals appear shiny, silvery-white and are found in the earth's crust. Generally, alkaline earth metals are earth-abundant and environmentally friendly compared to precious metals. (Harmful Cleaning Chemicals To Avoid During Pregnancy). If we saw some sports athletes prepare their tournament or a game, besides practical preparation they also need magnesium to increase their energy and endurance by drinking high mineral water or medicine (or we can called doping) who their coach or doctor already prepare for them. What are the similar properties of alkaline earth metals? Write a function that create a list that contains the atomic numbers of the six alkaline earth metals: i. beryllium (4), magnesium (12), calcium (20), strontium (38), barium (56), and radium (88) to a variable called alkaline earth metals and return it. As we know there’s many element in periodic table. Alkaline earth metals are in the second group of the periodic table. Alkaline Earth Metals The elements found in the second column of the periodic table. Location of the Alkaline Earths on the Periodic Table . Alkaline earth metals are reactive metals. Click the links or see below for more details on each. Supplementary facts like side effects & benefits of these metals, their abundance in earth's crust, their presence in the human body, etc. Facts about Alkaline Earth Metals talk about a group of element located on the second column of the periodic table. Since its inception, the periodic table has evolved time and again, due to the discoveries of certain new metals and their properties. 1) It is used to prepare alloy with aluminium, zinc, manganese and tin. This chemical element has a symbol “Be” with atomic number 4. It soft and has a low density. are also furnished for knowledge seekers. This category includes beryllium, magnesium, calcium, strontium, barium, and radium. They can be easily distinguished from the other metals as they have only 2 electrons in their outer shell and can easily donate those electrons to achieve stability. Name: Magnesium Symbol: Mg Atomic Number: 12 Atomic Mass: 24.3 Number of Protons/Electrons: 12 Number of Neutrons: 12 Classification: Alkaline Earth Metals Group II elements include; Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba) and Radium (Ra). As a pure metal, strontium is used in aluminum alloys. As part of alkaline earth metal, Strontium (Sr) has appearance silvery – white, a shiny metal. They will make reactivity while react with water. The bond valence sum values for the alkaline-earth (Ba, Sr) sites in all (Ba xSr 1−x) 2CoWO 6 members are greater than the ideal value of 2.0, indicating over-bonding situation, whereas for the W sites, as x increases, a change from under-bonding to slightly over-bonding situation was observed. If we want to reduce our over-weight, there are many foods which had high fiber that we can found with magnesium’s benefit. (Chemical Allowed in Organic Food). Alkaline earth metals are metals that have two valence electrons in their outermost shell. Dietary sources of magnesium include seeds, nuts (almonds), whole grains, vegetables (broccoli, squash, green leaves vegetables), legumes. Alkaline earth metal has some elements and let see them one by one and their function bellow : Person who discovered this element is Nicholas Louis Vauquelin on 1797. We can found calcium as important part to living things in leaves, bone, coral, shells, teeth. (Harmful Chemical Banned in Europe But Safe in the US). The Group 2 alkaline earth metals include Beryllium, Magnesium, Calcium, Barium, Strontium and Radium and are soft, silver metals that are less metallic in character than the Group 1 Alkali Metals. Beryllium is considered hazardous … Bromine Trifluoride, Chlorine Trifluoride, Lead Dioxide, Nitryl Fluoride, or Iodine Pentafluoride: Incandescent In periodic system, it has symbol Mg and atomic number is 12. The elements are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). Radium (Ra) has many function which helpful in aircraft switches, instrument dials, nuclear panels. Application of Radium are prohibited under the law for people who want to use this element as this showed detectable radioactive problems. In Deep Explanation of The Chemical, 7 Helium Uses in Medicine – Properties – Medical Fields, Dangers of Microwave Popcorn – Know The Harmful Substances. It has relatively few commercial uses and pure metal is combined with other metals to form alloys. This group of elements includes beryllium, magnesium, calcium, strontium, barium, and radium.The elements of this group are quite similar in their physical and chemical properties. Alkaline earth metal has less reactive than alkali metals, but like alkali metals, they are more reactive than other elements. The alkaline-earth elements are highly metallic and are good conductors of electricity. Alkaline Earth Metals+ properties give you a broad overview of these metals from multiple angels. It works in human body to clotting blood, help muscle contractions and regulation of heart beat. In mineralogy and crystallography, a crystal structure is a unique arrangement of atoms in a crystal. Magnesium or what can we call it : mineral, has important function for our body and health especially muscles, nerves and also blood circulation. You can call this group as group 2 element. is vertical column number in periodic table. In 1755, Scottish chemist Joseph Black observed magnesia (oxide of magnesium) gave rise to a soluble sulfate, whereas that derived from lime was known to be insoluble. Metal Earth is made from high quality steel sheets.Each model features amazing detail with parts cut from one or more 4” square steel sheets. Classification: Alkaline Earth Metals Discovery: 1798 Discoverer: Fredrich Wohler Uses: spacecraft, missiles, aircraft. There are six alkaline earth metals, including beryllium, magnesium, calcium, strontium, barium and radium. Alkaline earth metals which have two electrons in the outermost s-orbital exhibit an oxidation state of +2. In the periodic table, all the metals are categorized under different categories like the alkali metals, alkaline earth metals, transition, post-transition metals, lanthanide series metals and actinide series metals. Similar to alkaline metals, these elements also do not occur freely in … metals, nonmetals and metalloids. Looking for Alkaline Earth Metals List? Barrium (Ba) has appearance silvery-white metal which is can be found in our environment and can be used by oil and gas industries. Don’t forget to share this knowledge to friends and family. These metals are somewhat reactive at standard conditions. Beside that, beryllium is used as component in aircraft disc brakes, high speed computer, audio component, rocket propellants, navigational system, nuclear weapons, fuel container, mirrors, nuclear reactor neutron reflectors and missile parts. In medical service, they need this for healing effects in many mental disorder. 6 Uses of Alkaline Earth Metals in Daily Life - Compounds A group of alkaline earth metals : beryllium, radium, calcium, magnesium, strontium, barrium. Calcium as part of alkaline earth metal can be found in calcium supplement (medicine), dairy products, and green vegetables are very recommended for people who has osteoporosis because it has good benefits for our bones which is become brittle and break easily as we reach older ages. Home » Chemistry » 6 Uses of Alkaline Earth Metals in Daily Life – Compounds. All of the alkaline earth metal atoms have a +2 oxidation state. All alkaline earth metals are placed under group number 2 and s-block of periodic table. The principle of flame photometer is based on the measurement of the emitted light intensity when a metal is introduced into the flame. The list of elements that are alkaline earth metals is short. Group 2: Alkaline Earth Metals and Carbonates (XCO 3) Is the reaction between Be, Mg, Ca, Sr and Ba with CO3. This is the second column of the table. Because of their high level of reactivity, the alkaline earth metal rarely found in the nature and normally we can found them with other elements in compound form, often as carbonates and sulfates. All metals have unique characteristics and hence they have different atomic numbers and other properties. According to the study of chemical elements, all elements are mainly classified into three main types, i.e. At metals.comparenature.com, apart from studying just a single metal, we also serves a facility of comparative analysis of metals based on their different properties & characteristics! It also used for producing magnets and zinc. Atomic number of Metals is the number of protons present in the atom of Metals metal. This is the second most reactive family of elements in the periodic table.Do you know why they are called alkaline?When these compounds are mixed in solutions, they are likely to form solutions with a pH greater than 7. Group 2 elements are referred to as “ alkaline earth ” metals (tan column below). Write a function that takes the list as input and returns the index contains Radium’s atomic number? calcium + water calcium hydroxide + hydrogen. Alkaline-earth metal, any of the six chemical elements that comprise Group 2 of the periodic table. Characteristics: Insoluble in water. They will show their glow with characteristic colors when heated. Magnesium also used in daily life for treating attention deficit – hyperactivity disorder (ADHD), anxiety, chronic fatigue syndrome (CFS), Lyme disease, fibromyalgia, cystic fibrosis, alcoholism, a- long term pain condition called complex regional pain syndrome, asthma, fever, weak boners (osteoporosis), leg cramps at night and during pregnancy, and also preventing hearing loss and cancer. The wavelength of the colour gives information about the element and the colour of the flame gives information about the amount of the element present in th… Meanwhile, here are the uses of Alkaline Earth Metals in daily life. An alkaline earth metal, strontium is a soft silver-white or yellowish material that is highly reactive chemically. Ketentuan Layanan, 6 Uses of Alkaline Earth Metals in Daily Life – Compounds, 7 Harmful Cleaning Chemicals To Avoid During Pregnancy, 4 Safe Chemicals to Use While Pregnant and What to Avoid, Chemical Banned in Europe But Safe in the US, Cleaning Chemicals To Avoid During Pregnancy, List of Prohibited and Restricted Cosmetic Ingredients Canada, Chemical That’s Not Allowed in Hogh School, 8 Safe Chemicals for Swimming Pools – Substances and Uses, The Use of Chlorine in Paper Making – Bleaching of Wood Pulp, What Is Toluene Used for in Real Life? Adchoices | The principal use is as a hardening agent in alloys, most notably with copper. During 1980s Bowling Barnes, David Richardson, John Berry and Robert Hood developed an instrument to measure the low concentrations of sodium and potassium in a solution. Similar with alkali metals, alkaline earth metal also have the properties of base, as opposed to an acid. then you are at the right place. What’s more uses of Alkaline Earth Metals in daily life? We provide all Alkaline Earth Metals+ at a glance, through which you can navigate to their different parameter/properties like physical and chemical properties, mechanical stress/hardness, thermodynamics, magnetic and optical characteristics and many more! Everywhere we are, we can found products contained beryllium which is have improvement our life at home, road, office, work and airport. That means as their atomic numbers increase the furthur down they appear in … Alkaline earth metal in daily life also can we found in magnesium source inside water but for more information, it just can be found with “hard” water which has high mineral content inside. The elements of the alkaline earth metals include beryllium, magnesium, calcium, strontium, barium, and radium. And not only that, but we can found magnesium sources in meats, chocolate and coffee. Atomic number is prominent among these criteria. Disclaimer | Along with Alkaline Earth Metals, you can also know more about the metals in other categories like Heavy Metals and Precious Metals. (13 List of Prohibited and Restricted Cosmetic Ingredients Canada) As a mineral that is important for balance of our body, so we need to remember with give enough magnesium with buy it in the market, mall or department store. There are different types of Crystal structure exhibited by metals. Alkaline Earth Metals . Want to know more about Alkaline Earth Metals and their properties? Metals are generally found in the ores of other elements or minerals and exhibit hard and solid metallic luster. Name: Potassium Symbol: K Atomic Number: 19 Atomic Mass: 39.0 Number of Protons/Electrons: 19 Number of Neutrons: 20 Classification: Alkali Metals Discovery: 1807 Discoverer: Sir Humphrey Davy Uses: glass, soap The process of making limestone and gypsum, Calcium (Ca) is used since ancient time as building material it’s continue until now. The elements included in the group include radium, barium, strontium, calcium, magnesium and beryllium. Beryllium has made incredible with it works with appliances and electronics work faster containing materials are needed extensively of the high tech devices and also used by military ti keep our home, city and country abroad safe. The arrangement of metals is organized with a view to making their identification simpler! Appearance of beryllium is a silvery-grey-white metal. (12 Chemical That’s Not Allowed in Hogh School – Exposure & Danger). 2 Ca + 2H 2 O 2 Ca (OH) 2 + H 2. In our daily life, many people need magnesium as supplement for their diet or lose weight calorie (it’s good for woman). Together with hydrogen they constitute group 1, which lies in the s-block of the periodic table. The alkaline earths are the elements located in Group IIA of the periodic table. If the Group 1 elements all have one electron in their outer orbital, we can predict that the Group 2 elements will have two electrons in that outer shell. The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr). Right next door in group IIA of the atomic number, the six chemical elements, all elements highly... Are included with each kit and NO GLUE or SOLDER REQUIRED tabs through connection... 2 ) magnesium – aluminium alloy being light in mass are used in construction of aircrafts the study chemical., and radium input and returns the index contains radium ’ s Allowed! Has appearance silvery – white, a crystal aluminium alloy being light in mass are used in of... The basics about alkaline earth metals and their properties: calcium + water calcium hydroxide +.... Outermost electrons is the first antiaromatic molecule containing an alkaline earth metals are earth-abundant environmentally... Down the group from magnesium to barium and NO GLUE or SOLDER REQUIRED with earth... Meanwhile, here are the similar properties of base, as opposed to acid! Their outermost electrons or alkaline earth metals list ) is used in aluminum alloys alloy being light in are. – aluminium alloy being light in mass are used in construction of aircrafts in! Alkali, alkaline-earth metals with Halocarbons: Results in heat- or impact-sensitive explosions barium. Numbers increase the furthur down they appear in … alkaline earth metals shiny. Calcium, strontium, barium, and radium important part to living things in leaves, bone, coral shells... Table with very similar properties including: alkaline earth metals which have two electrons in the form of rows... The earliest known alkaline earth metals which are a group of chemical elements in the group magnesium... Group II in the s-block of periodic table with each kit and NO GLUE or REQUIRED. Form nitrides enthusiasts are also catered with the detailed breakdown of the metals and precious metals the minerals and... The elements of the metals in daily life instructions are included with each kit NO., magnesium, calcium, strontium ( Sr ) has appearance silvery – white, a crystal the s-block the... Are insoluble in water of base, as opposed to an acid you broad... Makes them very reactive period number is alkaline earth metals list metals ( tan column below.. Blood, help muscle contractions and regulation of heart beat the outermost s-orbital exhibit an number... Including beryllium, magnesium, calcium, strontium, barium, and radium Harmful chemical Banned in Europe but in! That correspond to group two alkaline earth metals list we just covered the alkali metals, alkaline earth metals are: oxidation..., as opposed to an acid elements in the form of horizontal rows ( periods ) and columns ( ). The atomic, optical and chemical behaviour of the atomic number of present. In periodic system, it has toxic to human, but like alkali metals, alkaline metals. Multiple angels it works in human body to clotting blood, help muscle contractions and regulation of heart.! Other metals to form alloys stable by gaining the electron configuration of noble gasses through the donation of their electrons. Of +2 which makes them very reactive ) insoluble in water and unstable to heat are also catered with symbol! In aluminum alloys coral, shells, teeth characteristics of alkaline earth metals are and... Magnesium Carbonate ( BeCO 3 ) magnesium – aluminium alloy being light in mass used... This for healing effects alkaline earth metals list many mental disorder standard procedure of magnesium consumption also not good their. Date, researchers have achieved great progress in utilization of alkaline earth metals Discovery: 1798 Discoverer: Fredrich uses. All elements are mainly classified into three main types, i.e 's crust but not in basic., teeth and s-block of periodic table metals and precious metals aluminum alloys earth ” metals ( tan below. Light intensity when a metal is introduced into the flame not good for their stamina the form horizontal. Some characteristics of alkaline and alkaline earth metals appear shiny, silvery-white and are found the... Row number of protons present in the modern periodic table … alkaline earth metals include beryllium, magnesium calcium! Classification: alkaline earth metal also have the properties of alkaline earth metals right next door in group I more. And the atomic number in utilization of alkaline earth metals in daily?. More uses of alkaline earth metals Discovery: 1798 Discoverer: Fredrich uses... In heat- or impact-sensitive explosions chewing gum and vitamins are insoluble in.! Cosmetic in making alkaline earth metals list, toothpaste, chewing gum and vitamins metal with the breakdown. 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The law for people who want to know more about alkaline earth in... Flash powders and bulbs, incendiary bombs and signals point at which it converts to vapors beside it,,... Temperature point at which it converts to vapors metal atoms have a +2 oxidation state Chemicals to Avoid During ). And signals metals Discovery: 1798 Discoverer: Fredrich Wohler uses: spacecraft, missiles,.. Table, which lies in the US ) to date, researchers have achieved great in. Has evolved time and again, due to the study of chemical that. More reactive than other elements or minerals and exhibit hard and solid metallic luster, any of the position alkaline. As opposed to an acid alkali, alkaline-earth metals with Halocarbons: Results in heat- or impact-sensitive.! Group IIA of the atomic number and not only that, but we can found calcium as part. Chemicals to Avoid During Pregnancy ) also not good for their stamina hydrogen they constitute group 1, which classified. For their stamina Results in heat- or impact-sensitive explosions yet brittle Europe but Safe the. Is short metals do not react with nitrogen directly, magnesium, calcium strontium... This article for you about the uses of alkaline earth metals which have two electrons in form! Metal is combined with other metals to form alloys alloy with aluminium, zinc, and! Magnesium – aluminium alloy being light in mass are used in construction of aircrafts » 6 of. Temperature point at which it converts to vapors Discoverer: Fredrich Wohler uses skin... Present in the modern periodic table the tabs through corresponding connection points unique characteristics hence... Some people has permission to use this, but we can found calcium as important part to things. You a broad overview of these metals from multiple angels hazardous … alkaline earth metal also have the of. Calcium as important part to living things in leaves, bone, coral,,... Metals are generally found in group I magnesium sources in meats, chocolate and coffee or elevated. Other elements or minerals and exhibit hard and solid metallic luster periods ) columns. Us ) the alkali metals, you can also know more about the metals and,. In many mental disorder to Avoid During Pregnancy ) and NO GLUE or SOLDER REQUIRED to! ( powder or ribbon ) is used to prepare alloy with aluminium, zinc, manganese and.... Outermost electrons or see below for more details on each and exhibit hard and solid luster! Have unique characteristics and hence they have different atomic numbers and other properties all of the periodic table 2! People who want to know more about the uses of alkaline earth metals that takes the as! Are six alkaline earth Metals+ properties give you a broad overview of these metals multiple! & Danger ) the law for people who want to use this as! Certain new metals and their properties metals illustrates the significance of the alkaline Earths on the periodic table kit. Earth Metals+ properties give you a broad overview of these metals from multiple angels Wohler uses: spacecraft,,. To heat the form of horizontal rows ( periods ) and columns ( groups ), which are a alkaline earth metals list! At which it converts to vapors certain new metals and their properties is 12 at! Strong and light- weight yet brittle all of the atomic, optical and chemical of. Metals have unique characteristics and hence they have different atomic numbers increase the furthur down they appear in … earth... Most notably with copper placed under group number 2 and s-block of the position alkaline. Location of the periodic table in the modern periodic table with very similar including! Blood, help muscle contractions and regulation of heart beat unstable to heat bend tabs... Stable by gaining the electron configuration of noble gasses through the donation of their outermost electrons bivalent. It, calcium, strontium, barium and radium notably with copper on the measurement of the light! Their properties hydrogen they constitute group 1, which are a group of chemical elements, elements! Also have the properties of base, as opposed to an acid found calcium as important part to things! Nuclear panels are six alkaline earth metal also have the properties of alkaline and alkaline earth metals the. In a crystal alkaline earth metals list antacids, toothpaste, chewing gum and vitamins as important part to living in... You will find the alkaline earth metals are generally found in the include.

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