It's Al. And it is the thirteenth element on the periodic table.
0 in elemental form and +3 in its compounds
Aluminium has 13 protons and 14 neutrons. Giving aluminium an atomic number of 13 and an atomic mass of 27.
Aluminium is a non metal element. Atomic mass of it is 26.982.
Its period number is 4 and i have no idea what group it's in im still looking for it...
Bariums period number is 6.
mercurys period number is 80
The period number of an element is the row in which it appears.
Period Number: 2 Group Number: 18
Magnesium's period number is 3. It is found in period 3 of the periodic table.
In the periodic table, rhenium is number 75.
Period#5
Period 2