Define first ionisation energy

TRUE OR FALSE:
Ionisation is an endothermic process

What are the 3 factors affecting ionisation energy?

How does nuclear charge affect ionisation energy?

What happens to the ionisation energy when nuclear charge increases?

How does atomic radius affect ionisation energy?

What happens to ionisation energy when atomic radius increases?

How does shielding affect ionisation energy?

What happens to ionisation energy when shielding increases?

Describe and explain the trend in ionisation energy down the group

Describe and explain the trend in ionisation energy across a period

The ionisation energies across a period generally increase. However, there is a small drop between Groups 2 and 3. Why?

The ionisation energies across a period generally increase. However, there is a small drop between Groups 5 and 6. Why?