Elements in group 18 are gases at room temperature.
Astatine is placed in group-17 in the Periodic Table. Its symbol is At.
Fermium (Fm) is in Group 7 in the Periodic Table.
Yttrium is in group 3 on the periodic table, also known as the scandium group.
Indium in the periodic table: group 13, period 5, atomic number 49.
No. Hydrogen, on a regular periodic table, is the first element in group 1, and it is part of the gas family.
A group in Periodic Table is the column of element in periodic table
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.
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