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Alkaline Earth Metals

Common Name

Chemical Name

Formula

Source

Uses

barite

barium sulfate

BaSO4

mineral deposits

paint pigments, X-Ray diagnosis

Epsom salts

magnesium sulfate

MgSO4 · 7H2O

mineral deposits

making dyes, laxative

gypsum

calcium sulfate

CaSO4 · 2H2O

mineral deposits

making plaster of Paris and mortar

lime or quicklime

calcium oxide

CaO

breakdown of limestone in kiln

smelting metals, drying agent

limestone or marble

calcium carbonate

CaCO3

deposits of shells of marine animals

building material, smelting metals

magnesia

magnesium oxide

MgO

decomposition of magnesium carbonate

lining furnaces, making rubber and paint

slaked lime or limewater

calcium hydroxide

Ca(OH)2

adding water to lime

making mortar and bleaching powder, alkalizing soil

 

 

Page Last Updated: Friday March 02, 2007           Webmaster: Larry Jones                 Pickens County School District