Question

helium,neon,chlorine,zinc​

Answer 1

Answer:

zinc is odd one because all other are metals

Answer 2

Explanation:

Helium:- the chemical element of atomic number 2, an inert gas which is the lightest member of the noble gas series.

Neon:- the chemical element of atomic number 10, an inert gaseous element of the noble gas group.

Chlorine:- the chemical element of atomic number 17, a toxic, irritant, pale green gas.

Zinc:- the chemical element of atomic number 30, a silvery-white metal that is a constituent of brass and is used for coating (galvanizing) iron and steel to protect against corrosion.