CBSE BOARD X, asked by actionkamen71, 1 month ago

An element-X has mass number 40 and contains 21 neutrons in its atom. The group of the periodic table does it belong is (A) Group 1 (B) Group 4 (C) Group 2 (D) Group 3 plz give an explanation

Answers

Answered by misssonali2006

1

Answer:

Hence, the element with the atomic number 40 belongs to the d-block in the fifth period with group number 4.

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