Alkali metals never occur free in nature because

Alkali metals do not occur free in nature because:

The following some statments about IA group elements i) The redioactive IA group element is Fr ii) Alkali metals donot occurs in free state because of their high reactivity iii) The most abundant alkali metal in the earth is Na

The group 1 metals of the periodic table of elements are collectively called alkali metals. Alkali metals are never found free in nature. Give reason.

Give reasons for the following: a. Alkli metals do not occur free in nature. b. Alkali metal salts impart characteristic colour to the flame. c. Caesium is used in photoelectric cell. d. Alkali metals are good reducing agents in aqueous medium.

Give reasons for the following: a. Alkli metals do not occur free in nature. b. Alkali metal salts impart characteristic colour to the flame. c. Caesium is used in photoelectric cell. d. Alkali metals are good reducing agents in aqueous medium.

Alkali metals never found in free state in nature. Why?