Why do lithium and sodium not occur in free state in nature ?

Phosphorus occus in free state.

Statement - 1 : Platinum and gold occur in native state in nature. And Statement - 2 : Platinum and gold are noble metals.

Sodium and potassium occur-

Where does hydrogen occur in free state ?

Boron does not occur in the free state. Why?

Explain the following: (a) Sodium chloride is an ionic compound which does not conduct electricity in solid state whereas it does conduct electricity in molten state as well as in aqueous solution. (b) Reactivity of aluminium decrease if it is dipped in nitric acid. (c) Metals like calcium and magnesium are never found in their free state in nature.

Give reasons. Alkali metals and halogens do not occur free in nature.

Name two metals which occur in native state in nature

Why do some metals occur in the native state?

Name some elements that can occur free in nature