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Atoms- Smallest Unit of Matter¬†

Atoms- Smallest Unit of Matter¬†

3. Chemical Principles of Microbiology / Atoms- Smallest Unit of Matter / Problem 3

Why is a calcium ion noted as Ca⁺²?

A

Because it has gained 2 electrons

B

Because it has lost 2 electrons

C

Because it has gained 2 protons

D

Because it has lost 2 protons

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