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What is Anion and it’s charge for Calcium and Oxygen

Sagot :

Answer:

Anion is negatively charged particle.

Calcium +2. Its cation

Oxygen -2

Explanation:

An anion is a charged particle with a negative charge. Anions has charge of -1

Oxygen require two electrons to complete its octet and hence its charge is -2

Calcium is  a cation and has a positive charge of +2

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