An ionic compound will be formed by the combination of one of the following pairs of elements. This pair of elements is :
(a) chlorine and calcium
(b) calcium and sodium
(c) sulphur and carbon
(d) chlorine and chlorine

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Solution

(a) Chlorine and calcium
Chlorine and calcium can form an ionic compound CaCl₂.

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An ionic compound will be formed by the combination of one of the following pairs of elements. This pair of elements is : (a) chlorine and calcium (b) calcium and sodium (c) sulphur and carbon (d) chlorine and chlorine

(a) Chlorine and calcium Chlorine and calcium can form an ionic compound CaCl2.

An ionic compound will be formed by the combination of one of the following pairs of elements. This pair of elements is :
(a) chlorine and calcium
(b) calcium and sodium
(c) sulphur and carbon
(d) chlorine and chlorine

(a) Chlorine and calcium
Chlorine and calcium can form an ionic compound CaCl₂.