Chemistry, asked by MYTHRITG915, 11 months ago

Why and how are elements arranged in 4 period?

Answers

Answered by dipuroy28

3

Explanation:

this period consists eighteen elements begining with alkali metal k and ending with inert gas kr.this period is called First long period.

Answered by manee4321

3

Answer

Explanation:

This period consists of 18 elements

Starts from element k potassium and

Ends on kr

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