Helium is in the first period of the periodic table.
Krypton is found in the fourth period. Since in the periodic table its in the 4th row.
Sodium, Na, is in group 1 period 3 on the periodic table.
Lead is in the group 14 of the Periodic Table.
Fluorine (symbol F) is an element found in group 17 and period 2 on the periodic table
Nitrogen can be found in the 1st period of group 15 elements in the periodic table.
Hydrogen is found in group 1 row 1 of the periodic table
Indium in the periodic table: group 13, period 5, atomic number 49.
Period 5, group 17
Group 14, Period 4
Xenon is in Group 18, the "inert" elements.
Helium is in the first period of the periodic table.
neon is found in group 18, period 2
Copper--Cu, atomic number 29--is in Group 11 Period 4.
Krypton is found in the fourth period. Since in the periodic table its in the 4th row.
Sodium, Na, is in group 1 period 3 on the periodic table.
group four in the periodic table is a carbon group