Question

Identify whether the given statements about ionisation energy are correct or incorrect. Statement A: The ionisation energy of an atom is the amount of energy that is required to remove an electron from a mole of atoms in the gas phase. Statement B: The ionisation energy increases from top to bottom in groups and decreases from left to right across a period.

A Both Statements A and B are correct
B Only Statement A is correct
C Both Statements A and B are incorrect
D Only Statement B is correct
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