The Periodic Table

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Across
  1. 2. Chlorine at room temperature is in this state.
  2. 5. horinzontal rows of the periodic table.
  3. 6. Vertical columns of the periodic table.
  4. 8. The melting and boiling points of halogens ________ down the group.
Down
  1. 1. Group 1 metals are also known as _____ metals.
  2. 3. The halogens has _______ electrons in their outermost shells.
  3. 4. Group 1 metals react with water to give out _____ gas.
  4. 7. Group 1 metals has ______ electron in the outermost shell.