Phosphorus
The atomic number is the number of protons, so 15.
Phosphorus is non metal element. Atomic number of it is 15.
The element with the atomic number 15 is Phosphorus.
Phosphorus is a non meta element. Atomic number of it is 15.
The element with an atomic number lower than aluminum and in group 15 is phosphorus. It has an atomic number of 15, which is lower than aluminum's atomic number of 13.
Phosphorus is a non metal element. Atomic number of it is 15.
Phosphorus is a non meta element. Atomic number of it is 15.
Phosphorus is non metal element. Atomic number of it is 15.
Phosphorus is a none metal element. atomic number of it is 15.
an isotope of phosophorus(atomic number 15), with an extra neutron(creating a mass of 15+16+31
Atomic number is the number of protons in an atom, not the number of atoms. The element with the atomic number 15 is phosphorus.
1s2 2s2 2p6 3s2 3p3 is the electron configuration of element 15.