Which of the following two periods contain the same number of element? A. 2 & 3 B.3 & 4 c. 4 & 6 D. 2 & 4

asked Sep 8, 2022 47.0k views

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Which of the following two periods contain the same number of element?

A. 2 & 3
B.3 & 4
c. 4 & 6
D. 2 & 4

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3 votes

Answer:

4 and 6

Step-by-step explanation:

Period 4 has 18 elements and so does period 6.

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