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NEETChemistryClassification of Elements and Periodicity in Properties

What does the term "ionization enthalpy" represent?

Options

  1. AThe energy required to add an electron to a gaseous atom.
  2. BThe energy required to remove an electron from an isolated gaseous atom in its ground state.
  3. CThe energy required to change the state of an atom.
  4. DThe energy required to convert an atom into a molecule.

Correct answer

B. The energy required to remove an electron from an isolated gaseous atom in its ground state.

Step-by-step solution

Ionization enthalpy represents the energy required to remove an electron from an isolated gaseous atom in its ground state.

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