group properties

• Lightest element?


  H - hydrogen
• lightest metal?


  Li - lithium
• What is a group on the period table?

  Column
• What is the period on the periodic table?

  Row
• What group is the halogens?

  Group 7
• What group are the noble gases?

  Group 0
• What group is the alkali metals?

  Group 1
• What is the reactivity like in group 1?

  more reactive down the group
• What are the boiling and melting points like in group 1?

  low melting and boiling points that decrease down the group
• What are the shells like in group 1?

  one electron in their outer shell
• What is the reactivity like in group 7?

  reactivity decreases down the group
• what is a halide ion in group 7?

  when they gain 1 electron to form an ion with a negative charge
• What is the shell like in group 7?

  7 electrons on the outer shell
• What is the reactivity like in group 0?

  very unreactive metals
• what is the shell like in group 0?

  full outer shell apart from helium which has 2
• what are the boiling points like in group 0?

  increase down the group
• what is the left side of the periodic table?

  left
• what is the right side of the periodic table?

  Non-metals