Question

Write the similarities with
hydrogen in 17 group

Answer 1

5) Like Halogens, hydrogen can also form both ionic and covalent bond. 6) Both H and Halogens form compound with metals and non-metals. 1) Hydrogen has one electron in valence shell while Halogens has seven electrons. 3) Unlike X- ion, H- ion is unstable in water and reacts in the following manner.