MCQ
The following statement is CORRECT EXCEPT:
  • A
    The second ionization enthalpy of Ca is smaller than that of K.
  • Ba is less electropositive than Ca.
  • C
    The first ionization enthalpy of Ca is higher than that of K.
  • D
    Be has smaller atomic radius than that of Li.

Answer

Correct option: B.
Ba is less electropositive than Ca.
B

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