How does reactivity change as you go down group 1? (3 marks)
- reactivity increases as you go down group 1
- easier to lose an electron
- outer shell further away from the nucleus
- more electron shielding
- less nuclear attraction
How does reactivity change as you go down group 7? (3 marks)
- reactivity decreases as you go down group 1
- harder to gain an electron
- outer shell further away from the nucleus
- more electron shielding
- less nuclear attraction