Question

Which of the following are compounds?

I) H₂
II) H₂O
III) Na

Answer 1

H₂O (water) is the only compound among the given options.

Step-by-step explanation:

The compounds in the options are:

1. H₂ - This is not a compound. It is a diatomic molecule of hydrogen.
2. H₂O - This is a compound. It is water, which consists of two hydrogen atoms and one oxygen atom.
3. Na - This is not a compound. It is an element, sodium.

Therefore, the compounds in the options are H₂O (water).