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Group: Alkaline earth metals

Alkaline earth metals (2nd main group) are shiny, reactive metals with two valence electrons. They form strong bases (alkali metals) and are poorly soluble in water (earth metals).

4Be

Berylliumwhite-gray metallic

12Mg

Magnesiumshiny grey solid

20Ca

Calciumdull gray, silver; with a pale yellow tint

38Sr

Strontiumsilvery white metallic; with a pale yellow tint

56Ba

Bariumsilvery gray; with a pale yellow tint

88Ra

Radiumsilvery white metallic

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