Elements in group 18 obey octet rule (except for helium, which has two electrons) and hence are chemically inert (or non-reactive) at room temperature.
Elements in group 18 are gases at room temperature.
A group in Periodic Table is the column of element in periodic table
Lead is in the group 14 of the Periodic Table.
Chlorine is in Group 17 of the Periodic Table.
Astatine is placed in group-17 in the Periodic Table. Its symbol is At.
The atomic radius decreases.
Lead is in the group 14 of the Periodic Table.
There is no group p on the periodic table.
Lead is in the group 14 of the Periodic Table.
Chlorine is in Group 17 of the Periodic Table.
Silicon is in Group 14 of the periodic table, which is known as the Carbon Group.
Alkali metals. This is the most reactive group on the periodic table