History, asked by harshitdby29, 5 months ago

how many periods are called Long periods​
how many periods are called Long periods​

Answers

Answered by BeautifulWitch
6

Answer:

The fourth and fifth periods are long periods and contain 18 elements each. Sixth period is the longest and contains 32 elements in it. Seventh period is the incomplete period.

Explanation:

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Answered by ashwanidby29
0

Answer:

Yes Its right

Explanation:

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