Calcium

By: Catherin Sanchez

SYMBOL

CHEMICAL PROPERTY• Mass Volume: 1.6 g.cm-3 at 20• Atomic Number: 20• Atomic Mass: 40.08 g.mol-1

PHYSICAL PROPERTY• Melting Point: 1115 or 842 (1548• Boiling Point: 1757 or 1484C (2703• Liquid Range: 642K

UsesIndustry • Three types of calcium carbonate-containing

rock are excavated and used by industry. They are limestone, chalk and dolomite. Limestone and chalk are both forms of calcium carbonate and dolomite is a mixture of calcium and magnesium carbonates

UsesAgricultureAn agricultural liming material is broadly defined as any substance containing Calcium or magnesium and being capable of neutralizing acidity.