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Question


Which of the following elements have 6 electrons in their valence shell?


A
Lithium
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B
Sodium
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C
Oxygen
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D
Fluorine
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Solution

The correct option is C Oxygen

The electronic configuration of Lithium is- 2,1

The electronic configuration of Sodium is- 2,8,1

The electronic configuration of oxygen is- 2,6

The electronic configuration of Fluorine is- 2,7


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