Periodic table

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Across
  1. 2. Substances with different elements or compounds mixed together but not chemically bonded.
  2. 3. All the elements toward the right side of the periodic table
  3. 6. The highly reactive metals in the 1st group.
  4. 7. Each column of elements which have similar properties.
  5. 8. The highly reactive non-metal elements in the 17th group.
  6. 9. Substances with the same type of atoms, chemically combined.
Down
  1. 1. Each row of elements which have the same number of outer shell electrons.
  2. 2. Elements between metals and non-metals.
  3. 4. All the elements toward the left side of the periodic table
  4. 5. Substances with 2 or more atom types, chemically combined.
  5. 10. gases The unreactive (inert) elements in the last group.