Why is hydrogen sometimes grouped with the alkali metals in some Periodic Tables?

1 Answer
May 27, 2017

Answer:

Because it has the ONE valence electron...........

Explanation:

Hydrogen is commonly grouped with the alkali metals, the which all have the one valence electron in the #s# shell. Under extreme, high pressure conditions, metallic hydrogen has been claimed. See this this site, and this is well above my level of competence.