Chemistry, asked by sreelakshmi54, 8 months ago

please answer the question

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Answered by singhjimmy293

1

Answer:

May be it is second one

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Answered by Nspg

0

Answer:

Hope it helps you

Explanation:

The answer is option 1

Because electronic configuration of Be is 1s^2 2s^2

Electronic configuration of B is 1s^2 2s^2 2p^1

So the most electronic potential is needed for Be , due to more screening effect and small size of atom

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