In humans
they never do
15.
No. Phosphorus is a non-metal
15
2, 8, 5 [Ne]3s23p3
It causes plant growth and algae growth
Phosphorus in is 3rd period. So it has 3 electron shells.
The German alchemist Hennig Brand distilled urine to isolate phosphorus, in 1674 or 1675
The chemical symbol for nitrogen is N. The chemical symbol for phosphorus is P.
there are 5 valence electrons in a Phosphorus element!
well the tip of the safety match is about 45 -55 % potasium chlorate and then theres sulphur in it powdered glass and i think sometimes some anitmony trisulfide and on the striking pad the majority is red phosphours and powdered glass.
P2S5 is Phosphorous Penta Sulphide. P = Phosphours S = Sulfur Its molecular weight is 222.28.