Question

1........ is a chargeless particle. electron proton neutro 2.Atomic mass is calculated by using formula A=...... p+e n+e p+n 3.Atomic number is equal to the number of..... protons electrons both proton and electron

Answer 1

Answer:

Neutron is charegeless particle.

Atomic mass is calculated by using formula p+n.

Atomic number is equal to the number of protons.

Hope it helps you.

#follow me and mark as brainlist plz...

Answer 2

Answer:

1) Neutron = no charge

2)P+n= proton and neutron are present in nucleous.

3)proton= some elements exist as isotopes where number of electrons varies but no of protons are same.for such cases no of protons is considered as atomic number

HOPE IT HELPS U :)