Question

give reason the elements of group IA are called alkali metals​

Answer 1

Answer:

because The group 1 of the periodic table contain six elements namely Lithium(Li), Sodium(Na),Potassium(K),Rubidium(Rb),Cesium(Cs) and Francium(Fr).These metals are called alkali metals because they form alkalies( i.e. strong bases capable of neutralizing acids) when they react with water.

Answer 2

Explanation:

As they have valence electron 1 in shell