Question

Match the terms in Column ‘A’ with their correct meaning in Column ‘B’.

Column ‘A’	Column ‘B’
(a) Radical	i] The number of electrons - lost per atom of the metal.
(b) Compound	ii] Representation of a molecule of a substance - by symbols.
(c) Symbol	iii] Group of atoms of elements - showing a valency and behaving like a single unit.
(d) Chemical formula	iv] Representation - of an atom of an element.
(e) Valency	v] A pure homogeneous substance-with components present in a definite proportion.
(f) Chemical equation	vi] A shorthand form - of a chemical change.
(g) Reactants	vii] The relative molecular mass - of a substance expressed in grams.
(h) Atomic weight	viii] The absolute mass - of an atom expressed in a.m.u.
(i) Gram molecule	ix] The substance present - on the left side of a chemical equation.
(j) Valency number	x] A measure of an elements - combining power.

Answer 1

Column ‘A’	Column ‘B’
(a) Radical	iii] Group of atoms of elements - showing a valency and behaving like a single unit.
(b) Compound	v] A pure homogeneous substance-with components present in a definite proportion.
(c) Symbol	iv] Representation - of an atom of an element.
(d) Chemical formula	ii] Representation of a molecule of a substance - by symbols.
(e) Valency	x] A measure of an elements - combining power.
(f) Chemical equation	vi] A shorthand form - of a chemical change.
(g) Reactants	ix] The substance present - on the left side of a chemical equation.
(h) Atomic weight	viii] The absolute mass - of an atom expressed in a.m.u.
(i) Gram molecule	vii] The relative molecular mass - of a substance expressed in grams.
(j) Valency number	i] The number of electrons - lost per atom of the metal.