1. Radium has 88 protons. 2. Radium has not... americium !
88
Radium has 88 protons.
Radium has 88 protons, radon has only 86 protons.
1. Radium has 88 protons. 2. Radium has not... americium !
Radium has 88 protons. The atomic mass of the most stable radium isotope - 226Ra - is 226,025 409 8(25).
There is no such atom as Radium 87 - it is Radium 88 and thus has 88. Francium is 87.
All isotopes of radium have the same number of protons; the number of neutrons is different.
88
121
Radium