d and f BLOCK ELEMENTS MCQ Quiz: GKFix - Bridge of Knowledge - Page 483

Question 2411

▼

What does the first ionization enthalpy (∆iH1) generally indicate about an element?

The energy required to remove the first electron from a gaseous atom
The energy released when an electron is added to a gaseous atom
The energy required to remove two electrons from a gaseous atom
The energy required to break a chemical bond