Question

which is an alkali metals ?
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Answer 1

Explanation:

The alkali metals are six chemical elements in Group 1, the leftmost column in the periodic table. They are lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).

Answer 2

Answer:

Alkali metals are a group of chemical elements from s-block of periodic table .

They are highly reactive and lose there outermost electrons to form cations of charge +1.

This metals can be cut with a plastic knife.

For Example:- Lithium, Caesium, Sodium , Potassium, Rubidium , etc