CSEC Chemistry · May/June 2011 · Paper 1 · Question Q18
One way in which hydrogen resembles the Group 7 elements is that hydrogen
- (A)is a colourless gas like the halogens
- (B)is one electron short of a rare gas structure
- (C)donates its one electron very easily and forms an
\text{H}^+ion - (D)has its atoms held together by electrovalent bonds
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