Question

VO
The number of protons, electrons and neutrons
respectively in the element 237
93Y are
[NCERT Pg. 35]
(1) 93, 93, 93
(2) 144, 93, 93
(3) 93, 93, 144
(4) 93, 144, 93​

Answer 1

Answer (3)

Explanation:

Answer 2

237

Y

93

Here Z(atomic no.) = 93 , A(mass no.) = 237

No. of proton = Z => 93

No. of electon =Z => 93

No. of neutron = A-Z =>237-93 => 144

Correct answer = 3