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Question

Each water molecule, contains _______ hydrogen atoms and one Oxygen atom.

The correct answer is

Two

Water Molecule Composition Explained

A water molecule has a specific chemical structure represented by the formula $\text{H}_2\text{O}$.

This formula indicates the types and numbers of atoms present in one molecule:

  • H represents Hydrogen. The subscript '2' signifies there are two hydrogen atoms.
  • O represents Oxygen. Since there is no subscript, it implies there is one oxygen atom.

Therefore, each water molecule contains exactly two hydrogen atoms and one oxygen atom.

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Important Questions from Basic Concepts of Chemistry

  1. Which of the following given below is an alloy of mercury?

  2. The chemical symbol of potassium is _______.

  3. In a molecule of water, the ratio of the mass of hydrogen to that of oxygen is:

  4. Which is the element having the highest atomic mass among the following?

  5. _______ alloy consists of nickel, copper and zinc.

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