Calcium Carbonate

Science / Biology / Calcium Carbonate: Chemical that also occurs in limestone and marble.

Calcium (Ca)

Science / Periodic Table of Elements / Calcium (Ca): Atomic number: 20, Atomic mass: 40.08 g.mol -1, Electronegativity: 1.0, Mass volume: 1.6 g.cm-3 at 20°C, Melting point: 840 °C, Boiling point: 1484 °C, Vanderwaals radius: 0.197 nm, Ionic radius: 0 MORE

Carbonate

Science / Chemistry / Carbonate: (CO32-) 1. An inorganic ion with a charge of -2, containing carbon bound directly to three oxygens in a in a flat triangular arrangement. 2. A compound containing CO32- ions. MORE

Calcium Carbonate

Science / Biology / Calcium Carbonate: Chemical that also occurs in limestone and marble. MORE

Bicarbonate Ions

Science / Biology / Bicarbonate Ions: A weak base present in saliva that helps to neutralize acids in food. MORE

Carbonate Hardness

Science / Chemistry / Carbonate Hardness: Water hardness due to the presence of calcium and magnesium carbonates and bicarbonates. The 'noncarbonate hardness' is due mostly to calcium and magnesium sulfates, chlorides, and nitrates. MORE

Carbonate Ion

Science / Geology / Carbonate Ion: The anion group CO3 with a charge of minus two. MORE

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