group 1/7

• what happened as you go down group 1?

  As you go down group 1 it gets MORE reactive because they gain more shells which makes it easier to lose one electron because it’s further from the nucleus
• What is group 1 called?

  alkali metals
• What happened as you go down group 7?

  as you go down group 7 it becomes LESS reactive because it be harder to gain one electron because it’s further from the nucleus. The melting and boiling point increase
• What is group 7 called?

  halogens
• What are isotopes?

  Isotopes are atoms with the same protons but different numbers of neutrons.