Question

What are the Atomic number upto calcium

Answer 1

Calcium is a chemical element with symbol Ca and atomic number 20. An alkaline earth metal, calcium is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to its heavier homologues strontium and barium.

Answer 2

Hi friend here is your answer

_________________________________

Plz refer to the attachment for your answer

________________________________

Hope it helps you............!!
#TheUsos
Down since
Day One Ish