Which of the following elements is not a diatomic molecule? O carbon
O nitrogen
O chlorine
O hydrogen

The correct answer to your question is going to be “Carbon”.

Diatomic elements are pure elements that form molecules consisting of two atoms bonded together.
Diatomic elements: hydrogen, nitrogen, oxygen, fluorine, chlorine, iodine, bromine.
So “Carbon” is not a diatomic molecule!!

Hope this helps you!!:))

Woah that’s a lot to read xd i’ll try though. i’ll get back t you if. i know the andwer