Question

How many valence electrons are there in an
element with atomic number 37?
A) One
B) Two
C С
Five
D) Three​

Answer 1

Answer:

Option a:- one

It has one valence electron.

hope it helps u........

Answer 2

Answer:(A)one

Explanation:

Z(37)

2s22s22p63s23p63d104s24p64s1 .

It is caesium