Calcium Metal Formula, Other names: Calcium atom Permanent link for this species. Calcium compounds are widely used. This stops further chemical reactions (passivation) until the layer is removed. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. Calcium (pronunciation KAL-see-em [2]), represented by the chemical symbol or formula Ca [1], is a soft element belonging to the family of alkali earth metals [3]. Use this link for bookmarking this species for future reference. This compound is a . It is also used as an alloying agent for aluminium, beryllium, copper, lead and magnesium alloys. It is a strong reducing agent and base with two valence electrons. Information on this page: Notes Other data available: Gas phase thermochemistry data Condensed phase thermochemistry data Phase change data Reaction thermochemistry data Gas phase ion energetics data Data at other public 0:13 Calcium metal burning Calcium is the third alkaline earth metal, and has similar chemistry to the rest of the group. 2oq, hrz, vrs, t2yvu1tay, acsvhx, i2mbm, y3ldl, k4r6h, gpjgdd, fjyvf,