2
The lightest element that is in period number 2 is lithium. Lithium is also the solid that is the least dense.
Li Lithium
The group no. of Lithium is 1 and its period number is 2.
group 1 period 2
Lithium is in the second period. It is an alkali metal. It has 2 rings of electrons.
Alkali matals
The lightest element that is in period number 2 is lithium. Lithium is also the solid that is the least dense.
Lithium is in the second period and the first group in the Periodic Table of Mendeleev.
Li Lithium
Fluorine.
No. Carbon belongs to period 2 whereas Phosphorus belongs to period 3.
The atomic number of lithium is 3. Lithium is in the second period and the first group in the periodic table of Mendeleev.
Lithium is a "soft, silver-white metal that belongs to the alkali metal group of chemical elements." Its chemical symbol is 'Li'
Lithium.
The group no. of Lithium is 1 and its period number is 2.
Neon (Ne) in the second period on the periodic table of the elements has the highest atomic number in that period of 10.
The second period. (Rows)