Question

*Q. 1* If atomic number of an atom is 15 and mass number is 31,then what is the number of sub atomic particles present in the atom.​

Answer 1

Answer:

15+16+15 = 46

Explanation:

there will be equal no. of protons and electrons in a normal atom.

mass number is sum of no. of protons and neutrons

Answer 2

Answer:

Sub atomic particles in the atom are

Proton=atomic no.

=15

Neutron=atomic mass-no. of proton

= 31-15

=16