Question

In order to form a molecule, Atoms always combine in _________.

• A. fixed ratio
• B. fractions
• C. bonds
• D. whole numbers

Answer 1

The correct option is A

fixed ratio

The explanation for the correct option:

• A molecule is the smallest particle of a compound that can exist independently and have its properties. It is made up of combining two or more atoms in a fixed ratio.
• It shows all the properties of the substance. For example, ${\mathrm{H}}_2\mathrm{O}$.
• It is a molecule of water​ and shows all the properties of the substance.

Thus, option (A) is the correct option.