Question

3) Elements of which group are called alkaline earth metals? Why? Name first three
elements of alkali metals.3M​

Answer 1

Answer:

Elements of group 2 are known as alkaline metals. Because their oxide occur in the earth crust and have weak oxides. mg ca sr

Answer 2

Answer:

Elements of 2nd group are called as alkaline earth metals. they are called so because they are harder and less reactive than 1st group.

First three elements are: Beryllium (Be) , Magnesium (Mg) and Calcium (Ca)