Definitions

Question 1

Ionisation energy:

Answer 1

The minimum amount of energy required to remove 1 mole of electrons from 1 mole of atoms in the gaseous state

Question 2

Successive ionisation:

Answer 2

The removal of more than 1 electron from the same atom is called successive ionisation

Question 3

Electronegativity:

Answer 3

The ability of an atom to attract electrons towards itself in a covalent bond