Periodic Table

The periodic table is a tubular display of the periodic elements organized on the basis of there atomic numbers. The creator of the Periodic table is Dmitri Mendeleev he created it in 1864. There has been 94 elements discovered  on earth so far, and the elements were grouped together by the attributes and behavior. There are 18 groups and the names are:
1.Alkali Metals
2.Alkaline earth metal
3.Scandium
4.Titanium
5.Vanadium
6.Chromium
7.Manganeses
8.Iron
9.Cobalt
10.Nickel
11.Copper
12.Zinc
13.Boron
14.Carbon
15.Pnictogen
16.chalcogen
17.Halogen
18.Noble gasses