CBSE BOARD X, asked by actionkamen71, 1 month ago

an element with atomic number 40 is placed in which period?

Answers

Answered by misssonali2006

1

Answer:

the element is placed in fifth period

Answered by Anonymous

2

Answer:

fifth period

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

Explanation:

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