SSC MTS EXAM

Detailed explanation-1: -A water molecule has three atoms: two hydrogen (H) atoms and one oxygen (O) atom. That’s why water is sometimes referred to as H2O. A single drop of water contains billions of water molecules.

Detailed explanation-2: -Is Water a Molecule? Water is another example of a molecule. Water is made of three atoms, an oxygen atom and two hydrogen atoms, and thus is both a molecule and a compound. A chemical formula is an abbreviation that shows which atoms are in the molecule and in what quantity.

Detailed explanation-3: -Examples of molecules are: O2-a simple molecule comprising two atoms of oxygen. N2-a simple molecule comprising two atoms of nitrogen. H2O-a simple compound molecule comprising two atoms of hydrogen and one atom of oxygen (water).