Question

Why is hydrogen placed separately on the periodic table?

Answer 1

Because H2 have dffrnt property than other elements

If we mixed H2 in them then periodic law will not be followed by ths

Answer 2

Hydrogen is a nonmetal and is placed above group in the periodic table because it has ns1 electron configuration like the alkali metals. However, it varies greatly from the alkali metals as it forms cations (H+) more reluctantly than the other alkali metals.

Electronic Configuration: 1s

Atomic Number: 1

Atomic Weight: 1.0079