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19-09-2020
Physics

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Question 1 / 4What is the charge on the oxide ion? A. +1 B. +2 C. -2 D. -1

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19-09-2020

Answer:

option c is correct

Explanation:

the atomic number of oxygen is 8 when oxygen atom gains two electron then it is converted into oxide ion and the charge on oxide ion becomes -2 because of two extra electron

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