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Form 2 Chemistry questions and answers on salts

(a) Using dots(.) and crosses (x) to represent electrons draw diagram to represent the bonding
in:
(i) $NH_3$
(ii) $NH_4^(+$
(b) State why an ammonia molecule ( $NH_3$ ) can combine with $H^(+$ to form $NH_4^(+$ (Atomic numbers: N=7 and H=1)

(9m 17s)

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