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Transition elements

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Question 30

Which ion(s) contain(s) one or more unpaired electrons?

  1. Co2+\text{Co}^{2+}Co2+
  2. Sc3+\text{Sc}^{3+}Sc3+
  3. Cr3+\text{Cr}^{3+}Cr3+

1, 2 and 3

Only 1 and 2

Only 1 and 3

Only 2 and 3

Transition elements Questions

  1. A Level
  2. /Chemistry
  3. /Transition elements