6
it has 5
Silicon (Si) has 14 electrons, 14 protons, and usually 14 neutrons.
P is a p block non metal. Atom contains 15 protons.
Rhodium has 45 protons, 45 electrons and 58 neutrons.
3 valance electrons,13 electrons,13 protons,14 neutrons
Francium has one valence electron.
4
7 protons
One(1)
it has 5
15.
15
Phosphorous has 15 protons and 16 neutrons.
Copper has 29 electons,29 protons,and 35 neutrons.
5
Phosphorus always has 15 protons; that is the definition of the element.
=31,39,31 i hate masteringchemistry, good luck