Question

Why the number of element in the third period is 8​

Answer 1

Answer:

so confusing questions

Answer 2

Answer:

according to the 2n sq rule,the maximum number of electrons in the third period = 2×(3)sq = 18. but the last shell cannot accommodate more than 8 electrons so, the number of electrons in third period is 8. hence ,the number of elements is also 8

Explanation:

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