No, it is quite reactive, at least far more than its inert group 15 predecessor Nitrogen:
White Phosphorus (P4 allotrope) ignites at 30 °C (!)
none!
15
phophorus is an element found by Henning Brand in 1669 AD in Germany.phosphorus, not phophorus (sic)
There are similar number of electrons and protons. it has 15 electrons and protons.
A completley filled out electron level makes the atom stable
An atom becomes stable by gaining or loosing electrons.
no
The most stable atom in the periodic table is helium.
matches
Sodium has 11 electrons.
this really helped
When the atom has 8 valence electrons.