Phosphorus is a none metal element. atomic number of it is 15.
Phosphorus is a meta element. Atomic mass of it is 31.
The atomic number of fluorine is 9.The atomic number of sodium is 11.
Atomic number= number of protons. Hydrogen atomic number=1
The atomic number is equal to number of protons in the atomic nucleus.
The number of protons is equal to the atomic number of an atom
The atomic mass number of phosphorus is 31.
Phosphorus is a non metal element. Atomic mass of it is 31.
Phosphorus is a meta element. Atomic mass of it is 31.
phophorus is an element found by Henning Brand in 1669 AD in Germany.phosphorus, not phophorus (sic)
no
matches
this really helped
15
none!
this elemnt has an atomic number that is double the atomic number of silicon?
There are similar number of electrons and protons. it has 15 electrons and protons.
the answer is that it is called a atomic number.