Question

An element with E.C. [Xe] 4f14 5d 6s belongs to
(1) 7th period (2) 9th group
(3) 7th group
(4) 5th period​

Answer 1

The layer of soil which is just below the top-soil is called B-horizon. It is also known as sub-soil. The sub-soil is made up of slightly bigger rock particles than that of top-soil. ... The sub-soil has very little humus (decayed organic matter).

Answer 2

Answer:

The correct answer is Option (B), i. e. 9th Group.

Explanation:

Coz. the valence electron lies in the d-subshell.

Therefore, 9th period is probably the most suitable answer in accordance to this question.