Question

Give scientific give the scientific reasons value of oxygen is 2

Answer 1

Answer:

there is need to be atmost 2 electrons are present in first shell of an atom . and in second shell there are 8 electrons are needed to form stable octate. but oxygen only have 6 electrons in 2nd shell.so,oxygen needs 2 electrons to complete its octate. HENCE,THE VALENCY OF OXYGEN IS TWO

Explanation:

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Answer 2

there is need to be at most two electrons are present in the first shell of the atom and their are 8 electrons in the second shell but oxygen only have six electrons in the second shell so oxygen needs 2 electrons to complete it's octate. Hence the valency of oxygen is two

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