Question

Which two groups of elements in the periodic table are the most reactive?(1 point)
Responses

alkali metals and halogens
alkali metals and halogens

halogens and noble gases
halogens and noble gases

alkaline earth metals and halogens
alkaline earth metals and halogens

noble gases and alkali metals

Answer 1

The two groups of elements in the periodic table that are the most reactive are **alkali metals and halogens**.