Number of neutrons = Atomic Mass of the isotope - 87
since there are 22 protons there has to be 22 nuetrons since there are 22 protons there has to be 22 nuetrons
there are 12 nuetrons in an atom of magnesium
im eleven and i know the answer the answer is 18 nuetrons
Francium has 87 electrons.
protons and nuetrons are equal to no. of electrons present in atom
26 nuetrons, 22 electrons, and 22 protons
Francium has 87 electrons.
69.723
50
13
4
13