Chemistry, asked by vidhi4924, 8 months ago

Plzz tell me the answer

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Answered by kritika6159

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Answer:

see, here is your answer.

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Answered by Anonymous

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Answer: i) the element X is sodium

2) atomic number 11

3) electronic cofiguration 2,8,1 - 1s² 2s² 2p⁶ 3s¹

4 ) no. of neutron - 12

5) no. of electron - 11

Explanation:

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