CUET Preparation Today
| The energy of an atom in ground state is -3.4 eV. The ionization energy of this atom can be expressed as which of the following? |
1.7 eV 3.4 eV 5.1 eV 6.8 eV |
| 3.4 eV |
| Ionization energy is the amount of energy required to knock off the outermost electron from the atom. |
