Question

Alkaline earth metals have valency 2. This means that their position in the modern periodic table is in .....

• A.
  d-block
• B.
  Group 2
• C.
  Group16
• D.
  Period 2

Answer 1

The correct option is B

Group 2
In modern periodic table, elements are arranged in increasing order of their atomic number. Elements with same outermost electronic configuration are kept in the same group. The alkaline earth metals have two electrons in the outermost shell. This means that their position in the periodic table is in group 2.