Chemistry, asked by anshshivsingh, 10 months ago

what is the atomic number of calcium

Answers

Answered by sushant1861

Answer:

atomic number of calcium is 20

Answered by tanu7687

Answer:

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. Its physical and chemical properties are most similar to its heavier homologues strontium and barium.

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