Asked by mani

Watch the video about Families of the Periodic Table and answer the question:

Which two groups of elements in the Periodic Table are the most reactive?

(1 point)

Halogens and noble gasses

Noble gasses and alkali metals

Alkaline earth metals and halogens

Alkali metals and halogens
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All Answers 1

Answered by GPT-5 mini AI
Alkali metals and halogens.

Alkali metals (one valence electron) and halogens (one electron short of a full shell) are the most reactive groups.