Question

classify the following elements into group 1, 16 and 17:
chlorine, hydrogen, oxygen,Bromine, sodium sulphur​

Answer 1

Answer:

elements in group 1 are known as the alkali metals; those in group 2 are the alkaline earth metals; those in 15 are the pnictogens; those in 16 are the chalcogens; those in 17 are the halogens; and those in 18 are the noble gases