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Question

Sodium has 1 electron in its outermost shell. On moving right by 3 blocks, how many valence electrons are available and what is name of this element?

A
3, Carbon
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B
4, Silicon
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C
4, Carbon
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D
3, Silicon
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Solution

The correct option is B 4, Silicon
On moving right by three blocks, three electrons are added in the outermost shell so now the element has four valence shell electrons. The element is silicon which has 4 outermost shell electrons.

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