Unit 1 - 4) Ionisation Energy

Question 1

• What is the ionisation energy of an element

- what do second and third ionisation energies refer to

Answer 1

• the ionisation energy of an element is the energy required to remove one mole of electrons from one mole of the gaseous atoms.
• The second and subsequent ionisation energies refer to removal of further moles of electrons

Question 2

• the variation in first ionisation energies for the first 36 elements relates to the ________ of the electron configuration

Answer 2

• the variation in first ionisation energies for the first 36 elements related to the stability of the electron configuration

Question 3

Ionisation energy variation

Answer 3

Read page 16-17 bright red