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Ionization Enthalpy and its Principle

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Questions and Answers

What is the principle of measuring ionization enthalpy?

The energy released when an electron is removed from an atom

The energy required to add one mole of electrons to one mole of gaseous atoms or ions

The energy released when an electron is added to an atom

The energy required to remove one mole of electrons from one mole of gaseous atoms or ions (correct)

What are the units of ionization enthalpy?

Electron volts per electron

Joules per atom

Kilojoules per mole (correct)

Kilograms per mole

Which property best describes ionization enthalpy?

The ease with which an atom loses electrons

The resistance of an atom to lose electrons (correct)

The tendency of an atom to gain electrons

The ability of an atom to attract electrons

How is ionization enthalpy related to atomic size?

Ionization enthalpy decreases as atomic size decreases Signup and view all the answers

Which statement best explains the concept of ionization enthalpy?

It is a measure of how strongly an atom holds onto its electrons Signup and view all the answers

What is ionization enthalpy?

The energy required to remove the most loosely bound electron from a gaseous atom Signup and view all the answers

Which unit is used to measure ionization enthalpy?

Kilojoules per mole (kJ/mol) Signup and view all the answers

What does a higher ionization enthalpy indicate about an atom?

It has a stronger electron-nucleus attraction Signup and view all the answers

Why is the removal of an electron from an atom involved in measuring ionization enthalpy?

To determine the energy needed to overcome attractive forces between the electron and nucleus Signup and view all the answers

What is the principle behind measuring ionization enthalpy?

Removing an electron from an atom Signup and view all the answers