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Atomic and Ionic Sizes of Lanthanides

The elements ...

Question

The elements of one period are given below in order from left to right $L i, B e, B, C, O, F, N e$ .
Which is the missing element?

A

Na

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B

N

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C

Cl

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D

P

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Solution

The correct option is B N
Nitrogen is missing from this period elements and it should be placed as $L i, B e, B, C, N, O, F, N e$ .

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Atomic and Ionic Sizes of Lanthanides

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