Guess The Element

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Across
  1. 2. Third last element in the periodic table
  2. 3. Named after the furthest planet from the sun
  3. 6. First nom metal in the periodic table
  4. 7. First element in the periodic table to have a chemical symbol unklike its common name
Down
  1. 1. Named after the person who discovered radioactivity
  2. 2. First element in the Lanthanoids
  3. 4. Only element in the periodic table to be liquid at room temperature and have an atomic number higher than 70
  4. 5. Its chemical symbol is the first two letters of Australia