Question

Which of the following is a compound? Ne N2 NaCl O2

Answer 1

Ne because it it just a regular element (neon)

Answer 2

NaCl,
`N_2, O_2`

Explanation:

In chemistry, a chemical compound is a substance composed of the combination of two or more elements of the periodic table.

Ne: is an element of the periodic table.

`N_2`: is a molecule

NaCl: is a molecule

`O_2`: is a molecule