Define the following terms :
(a) Atomic number
(b) Mass number
(c) Nucleons
(d) Valence shell
Define the terms: (a) vapour density (b) molar volume (c) relative atomic mass (d) Avogadro's number (e) relative molecular mass
Define or explain the terms: (a) Vapour density,
(b) Molar volume, (c) relative atomic mass,
(d) relative molecular mass, (e) Avogadro's number,
(f) Gram atom, (g) Mole.