What is the total number of electrons in a stable oxide ion (O²⁻, Z = 8)?

Type: MCQ • Marks: 1

A. 9

B. 6

C. 10

D. 8

Explanation

Oxygen atom has 8 electrons; gaining 2 electrons gives 10 total electrons in O²⁻.

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Class 9th Science (MCQ)

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