Question

Which of the following species is a molecular element? Which of the following species is a molecular element? sodium neon carbon dioxide chlorine none of the above

Answer 1

Answer: chlorine

Explanation:

Element is a pure substance which is composed of atoms of similar elements. Example: sodium $Na$, Neon $Ne$

Molecule of an element is the smallest unit of any matter which always have independent existence and is made up of similar elements. Example: Chlorine $Cl_2$

Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.It can be decomposed into simpler constituents using chemical reactions.

Molecule of a Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass. Example: carbon dioxide $CO_2$