This is a chemical element. You can find the how many electron in a single atom by using a Periodic Table.
Phosphorus has 5 valence electrons.
Phosphorus has 2 s electrons.
There are 2.21 x 10^24 atoms of phosphorus in 3.65 moles of phosphorus triiodide.
Have different atomic mass (have different numbers of neutrons)
15 electrons and 15 protons
Phosphorus has 5 valence electrons.
There are 5 valence electrons in the atom phosphorus.
Phosphorus has 5 valence electron. It forms anion by gaining 3 electrons.
there are 5 valence electrons in a Phosphorus element!
8
7.
16 elctrons
Copper has 4
3
There are 27 valance electrons.
2 valance electrons
eight