Lithium is an alkali metal in group IA of the periodic table with atomic number 3, an atomic weight of 6.939, and a density of 0.53 Mg/m 3. Its melting point is 180.5 C, and it boils at 1330 C. The ...

Atomic number: The number of protons in the nucleus ... H - Hydrogen He - Helium Li - Lithium Be - Beryllium ...

Lithium is a soft, silver, white-colored alkali metal and a chemical element with the atomic number of 3 and the symbol Li. The metal is present in the minerals spodumene and lepidolite and was ...

For example hydrogen has the atomic number of one, helium two, lithium three etc. The first energy level (the one nearest the nucleus) can hold a maximum of 2 electrons with the others being able ...