Which two groups of elements in the Periodic Table are the most reactive?
(1 point)
Halogens and noble gasses
Alkaline earth metals and halogens
Noble gasses and alkali metals
Alkali metals and halogens
(1 point)
Halogens and noble gasses
Alkaline earth metals and halogens
Noble gasses and alkali metals
Alkali metals and halogens