d and f BLOCK ELEMENTS Quiz

• Its small ionic radius.
• Its 3d⁵ configuration represents a half-filled d subshell.
• Its high ionization energy.
• Its noble gas core configuration.

• It converts chromate ions (CrO₄²⁻) to dichromate ions (Cr₂O₇²⁻).
• It precipitates chromium metal.
• It converts dichromate ions (Cr₂O₇²⁻) to chromate ions (CrO₄²⁻).
• It has no effect on the solution.

• +2
• +3
• +4
• +5

• +1
• +2
• +3
• +4

• Non-transition metals show more oxidation states.
• Transition metals show a wide range of oxidation states, while non-transition metals usually show fewer.
• There is no difference.
• Transition metals show only positive oxidation states.