Answer the question .
what are calcium ?
Answers
Answered by
1
Explanation:
Calcium is a chemical element with the symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air.
Hope it's Help you.
Answered by
0
Answer:
chemical element
Explanation:
calcium is a chemical element with the symbol
Ca and atomic number 20 .As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide - nitride when exposed air. it's physical and chemical properties are most similar to its
heavier homologues strontium and barium .
Similar questions