Question

find out the odd one Ca2+,Cl-K+,S-​

Answer 1

Answer:

CA2+ IS THE ODD ONE OUT

AS IT HAS VALENCY OF 2 WHEREAS OTHERS HAVE VALENCY OF 1

<<FOLLOW>>

MARK IT AS THE BRAINLIEST

Answer 2

Answer:S-

Explanation:because,all others are isoelectronic species(ie,contain 18 electrons)