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Define first and second ionisation potentials. Why the second ionisation potential of an element is always greater than it’s first ionisation potential? Explain any four factors that affect the ionisation potential of an element.

Define first and second ionisation potentials. Why the second ionisation potential of an element is always greater than it’s first ionisation potential? Explain any four factors that affect the ionisation potential of an element.

Grade:upto college level

1 Answers

Gaurav
askIITians Faculty 164 Points
9 years ago
Hello Student
Ionization Potential or ionization energy is the amount of energy required to remove the last electron from valenc shell of a gaseous isolated atom.
1st ionization energy is the amount of energy to remove the last electron while 2nd ionization energy is the amount of energy required to remove the 2nd electron after removal of first electron.
Ionization energy depends on:
Size of atom
Oxidation state
Valence shell electronic configuration

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