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Chemistry
Chemistry
Problem
1. a Explain why ionic bonding only occurs in compounds and not in elements. 2. b Suggest which of the following substances are probably ionic: i
K
2
O
\text{K}_2\text{O}
K
2
O
ii
NO
2
\text{NO}_2
NO
2
iii
CH
4
\text{CH}_4
CH
4
iv
H
2
O
2
\text{H}_2\text{O}_2
H
2
O
2
v
NaClO
\text{NaClO}
NaClO
vi
HCl
\text{HCl}
HCl
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