Question

Define molecule

Answer 1

Molecule:

• A molecule is the smallest thing a substance can be divided into while remaining the same substance.
• It is made up of two or more atoms that are bound together by chemical bonding.
• Molecule of an element contains same types of atoms, for example, ${\mathrm{H}}_2$${\mathrm{O}}_2,{\mathrm{N}}_2$ etc.
• Molecule of compound contains different types of atoms, for example, ${\mathrm{H}}_2\mathrm{O},{\mathrm{CO}}_2,{\mathrm{NO}}_2$ etc.