Alkali Metals

The Group 1 elements have a specific family name—alkali metals. All the alkali metals are silvery solids with low densities and low melting points. These elements increase in their reactivity, or tendency to combine with other substances, as you move from top to bottom. Prime objective of this lecture is to explain what is the name of the group 1 elements; what are the number of protons, neutrons and electrons in this atom and what is the electron arrangement in this atom and how do we know what group we should place it in.