7. Q1. What is the significance of the terms "isolated gaseous atom" and "ground state " while defining ionization enthalpy and electron gain enthalpy?

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Q. What is the significance of the terms 'isolated gaseous atom' and 'ground state' while defining the ionization enthalpy and electron gain enthalpy?

What is the significance of the terms - ‘isolated gaseous atom’ and ‘ground state’ while defining the ionization enthalpy and electron gain enthalpy?
Hint: Requirements for comparison purposes.

Q. Assertion :Element has a tendency to lose the electron(s) to attain the stable configuration. Reason: Ionization enthalpy is the energy released to remove an electron from an isolated gaseous atom in its ground state.

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Energy of an electron in the ground state of the hydrogen atom is –2.18 × 10^–18 J. Calculate the ionization enthalpy of atomic hydrogen in terms of J mol^–1.

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