Chemistry · d- and f-Block Elements
Although the +3 oxidation state is most common in lanthanoids, cerium (Z = 58) exhibits a stable +4 oxidation state because:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1After losing four electrons, it acquires a noble gas (4f0) electronic configuration.✓
- 2Its atomic number is 61.
- 3After losing one more electron, it acquires a 4f14 electronic configuration.
- 4Its nearest inert gas is Radon.
Correct answer
After losing four electrons, it acquires a noble gas (4f0) electronic configuration.
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