Question

What happens when atoms combine to form a compound? Explain with an example.

Answer 1

Formation of molecules:

• A molecule is formed when two or more atoms chemically bind together. At times, all of the atoms are from the same element. Three oxygen atoms, for example, bind together to form an ozone molecule$\left({\mathrm{O}}_3\right)$.
• A compound is a molecule made up of atoms from two or more distinct elements. The chemical bonding of two hydrogen atoms with one oxygen atom to make a molecule of water is something that everyone is familiar with$\left({\mathrm{H}}_2\mathrm{O}\right)$