There is no such atom as Radium 87 - it is Radium 88 and thus has 88. Francium is 87.
Radium has 88 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).
121
Radium has 88 protons, radon has only 86 protons.
Radium
Francium has 87 protons and 87 electrons.
Radium element is in the s block. It has 88 protons in a single atom.
87
Radium has 88 protons.
Cobalt has 27 protons and francium has 87 protons; 87-27=60.