Chemistry · Periodic Classification of Elements
Which of the following properties or occurrences does NOT show a regular periodic trend/periodicity in the periodic table?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Ionization enthalpy
- 2Occurrence of isotopes✓
- 3Electronegativity
- 4Atomic radius
Correct answer
Occurrence of isotopes
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