Elements, Compounds, Mixtures

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Across
  1. 1. a horizontal row in the Periodic Table
  2. 3. a vertical column in the Periodic Table
  3. 6. made up of 2 or more elements and / or compounds not chemically combined
  4. 8. elements between Group 2 and 13 are called _________ elements
  5. 9. a mixture has ________ characteristics as its constituents
  6. 11. elements are arranged according to their _______ number
  7. 12. element in Group 10, Period 4
Down
  1. 2. a substance that cannot be broken down into simpler substances by chemical methods
  2. 4. constituents of a mixture can be separated by _______ methods
  3. 5. elements with properties of metals and non-metals
  4. 7. made up of 2 or more elements chemically combined
  5. 10. elements on the left of the zig-zag line are called ________.