Ionisation Energy (AQA A-Level Chemistry): Quizzes

One mole of electrons

kJ/mol

$X(g) \rightarrow X^+(g) + e^-$

+1

Electron is closer to nucleus

Fewer electrons shield, energy increases

Always higher

$X^+(g) \rightarrow X^{2+}(g) + e^-$

Ion becomes more positively charged

Gaseous