Periodic Trends

Question 1

Which 3 factors affect ionisation enthalpy?

Answer 1

1) Atomic radius
2) Nuclear charge
3) Electron shielding

Question 2

Does ionisation enthalpy increase or decrease across a period?

Answer 2

It increases as the proton number increases by the shell number stays the same

Question 3

What factor do you need to consider for melting point trends?

Answer 3

Across the group think about the different types of bonding and the structures that result eg: metallic