Common Isotopes of Carbon are 12C (6 neutrons), 13C (7 neutrons), and 14C (8 neutrons).
How many neutons in Berryllium?
For each isotope the number of neutrons is different.Number of neutrons = Mass number of an No isotope - 102
Isotopes
Sulfur is a non metal element. Mass number of it is 32.
the atomic number of hafnium is 72, protons? 72, neutrons? 106, electrons? 72
10
22
2 neutrons
9.1818 neutons
the nucleus
they look like fig neutons
It's an atom because that contains a nucleus with the defining number of protons (plus some neutons) and the defining number of electrons, e.g. 12 protons/electrons makes it carbon.