Science, asked by sanjaysalunke07738, 8 hours ago

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Answered by apurbanath402
1

Answer:

the atomic number of the element is 12( given)

Explanation:

hence1) name of this element is magnesium

2) electronic configuration of this element is 1s2 2s2 2p6 3s2

3) 2 electrons are present in the M orbital.

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