Question

“Hydrogen occupies a unique position in Modern Periodic Table”. Justify the statement.

Answer 1

Hydrogen occupies a unique position in the modern periodic table because of the following reasons:

1. Electronic configuration of hydrogen is similar to that of alkali metals as both have one electron in the outermost shell.
2. Properties of hydrogen is similar to that of the halogen elements as both have the same tendency of accepting electrons to complete their octet electronic configuration.