CH-649
Transition metals
Chemistry · Secondary 3 · Medium · Transition metals
An unknown blue solution was made by dissolving a metal salt in water. Which conclusion about the metal in the salt is most likely correct?
- The metal is a transition element that forms coloured compounds.
- The metal must be a Group I element like sodium.
- The metal cannot form positive ions in solution.
- The metal must be unreactive and cannot form compounds.
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