2 years ago

6. What is true about Calcium (Ca)?

Chemistry

1 answer:

sasho [114]2 years ago

8 0

Answer:

C. naturally uncombined with other elements.

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.

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