what is the example of alkaline earth metal?
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Alkaline-earth metal, any of the six chemical elements that comprise Group 2 (IIa) of the periodic table. The elements are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).
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What are Alkaline Earth Metals? The alkaline earth metals are all of the elements in the second column (column 2A) of the periodic table. This group includes beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba) and radium (Ra).
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Group 2A (or IIA) of the periodic table are the alkaline earth metals: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). ... In most cases, the alkaline earth metals are ionized to form a 2+ charge.
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Chemical Elements.com - Alkaline Earth Metals. The alkaline earth elements are metallic elements found in the second group of the periodic table. ... Because of their reactivity, the alkaline metals are not found free in nature.
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Term. Alkaline earth metalsA group of chemical elements in the periodic table with similar properties: shiny, silvery-white, somewhat reactive at standard temperature and pressure. They readily lose their two outermost electrons to form cations with charge +2.
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Magnesium (symbol Mg) is an alkaline earth metal and has common oxidation number +2.
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In chemical terms, all of the alkaline earth metals react with the halogens to form the alkaline earth metal halides, all of which are ionic crystalline compounds (except for beryllium chloride, which is covalent).
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Group 2A — The Alkaline Earth Metals. Group 2A (or IIA) of the periodic table are the alkaline earth metals: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). They are harder and less reactive than the alkali metals of Group 1A.
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The alkaline earth metals are six chemical elements in group 2 of the periodic table. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).
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alkaline earth metals are group 2 of the periodic tables, whereas alkali metals are in group 2. The major difference between alkaline and alkali is that alkaline earth metals have two valence electrons whereas alkali metals have one valence electron.
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Reactions of Alkaline Earth Metals All the alkaline earth metals except beryllium also react with water to form strongly alkaline hydroxides which should be handled with great care.
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The alkaline earth metals have two valence electrons. The alkaline earth metals are in the second family on the periodic table.
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So we just covered the alkali metals in Group I. You will find the alkaline earth metals right next door in Group II. This is the second most reactive family of elements in the periodic table.
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Similarly, all the alkaline earth metals react with the heavier group 15 elements to form binary compounds such as phosphides and arsenides with the general formula M3Z2. Higher lattice energies cause the alkaline earth metals to be more reactive than the alkali metals toward group 15 elements.
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Group 2A — The Alkaline Earth Metals. Group 2A (or IIA) of the periodic table are the alkaline earth metals: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).
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Pure samples of most of the alkaline earth metals can be obtained by electrolysis of the chlorides or oxides. ... The most important alkaline earth organometallic compounds are Grignard reagents (RMgX), which are used to synthesize organic compounds.
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Like the Group 1A elements, the alkaline earth metals are too reactive to be found in nature in their elemental form. The alkaline earth metals have two valence electrons in their highest-energy orbitals (ns2).