Question

definition 4)alkali metals (group 1)choose an answer1 most reactive metals2 group 23 most reactive non metals4 least reactive metals

Explanation:

Alkali metals (group 1) are known for being the most reactive metals. This is due to their electronic configuration, having one valence electron which is easily lost. Group 2 refers to alkaline earth metals. Most reactive non - metals are in group 17 (halogens). Least reactive metals are in the lower part of the reactivity series.

Answer:

1. Most reactive metals