Science, asked by omkar4761, 2 months ago

An element has its electronic configuration [ 2, 8, 2 ]
Answer the following questions.
i] What is the atomic number of this element?
ii] What is the group of this element?
iii] To which period this element belong ?

Answers

Answered by adarsh12ap

7

Explanation:

1) 12 atomic number of Mg

2) Second group

3) third period

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