O-LevelChemistryMetals & Reactivity5070/11 · May/June 2014 · Q271 Mark
What suggests that metal M is not in Group I of the Periodic Table?
AM has a bright, silvery appearance and is a good conductor of electricity.
BM is hard and difficult to cut.
CM produces an alkaline solution when it reacts with water.
DM produces hydrogen gas when it reacts with water.
✓ Correct answer
B: M is hard and difficult to cut.
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