False the key to the question is that atoms have isotopes. That means that the number of neutrons are different in each isotope.
The most common hydrogen has no neutrons.
1 electron
1 proton
0 neutrons.
Isotope One of hydrogen has 1 neutron
1 electron
1 proton
1 neutron
The heavy weight of the family has 2 neutrons
1 electron
1 proton
2 neutrons.
