11 protons and 9 neutrons
6 protons, 6 neutrons
Protons: 10 Neutrons: 10
Potassium-40 (K-40) has 19 protons and 21 neutrons.
2 protons 3 neutrons
Neutrons are completely separate from protons, so neutrons do not have any protons, and protons do not have any neutrons.
None -- all protons are protons, which are different from neutrons.
16 neutrons and 16 protons
there are 66 protons & 97 neutrons
40Ar has 18 protons, 22 neutrons, and 18 electrons.
Iridium-192 has 77 protons and 115 neutrons.
4 protons and about 5 neutrons
11 protons and 9 neutrons
13 protons and 14 neutrons
Phosphorous has 15 protons and 16 neutrons.
Neon has 10 protons and 9 neutrons.
6 protons, 6 neutrons