Question

Difference between alkali metals and halogens.(both related with hydrogen Maximum 5 points of difference)​

Answer 1

Answer:

Hydrogen resembles alkali metals as both have one valance electron so they both can lose electrons to attain stability.

Hydrogen also resembles halogens as both are short of one electron from the  electronic configuration of their nearest noble gas.

Explanation:

Read the underlined part for alkali metal's and halogens' difference with relation to hydrogen.