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.
Bariums period number is 6.
mercurys period number is 80
Its period number is 4 and i have no idea what group it's in im still looking for it...
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