Question

Why Hydrogen gas cannot be placed in Group I A ​

Answer 1

Answer:

Explanation:

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.15-Aug-2020

Atomic Number: 1

Atomic Weight: 1.0079

Electronic Configuration: 1s

Answer 2

Answer:

In the modern periodic table , hydrogen is not given any specific place in any group .

This is because first group is of alkali metals which have a constant oxidation state of 1 and the 17th group also have an oxidation state of 1 . Hence , hydrogen is usually placed separately and not in any specific group .