Elements, Compounds and Mixtures (2) LSS

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Across
  1. 2. the only liquid non-metal
  2. 5. a vertical column in the Periodic Table
  3. 6. the only liquid metal
  4. 9. elements in the Periodic Table are arranged in order of increasing ___ numbers
  5. 11. ___ or light is involved in the formation of a compound
  6. 12. element in Group I and Period 3 of the Periodic Table
  7. 13. the Periodic Table comprises metallic and non-metallic ___
  8. 14. ___ are stronger than pure metals
  9. 16. __ steel is used to make car bodies and girders for bridges
Down
  1. 1. a horizontal row in the Periodic Table
  2. 3. element in Group V and Period 2 of the Periodic Table
  3. 4. ___ steel is used to make utensils and surgical instruments
  4. 6. a ___ does not have a fixed composition of constituents
  5. 7. a ___ has a fixed proportion by mass of its constituent elements
  6. 8. a mixture ___ the properties of its constituents
  7. 9. sodium chloride can be obtained from seawater by ___ method called evaporation
  8. 10. magnesium oxide can be separated into magnesium and oxygen by ___ methods e.g. electrolysis
  9. 15. elements in the same group have ___ chemical properties hence undergo similar chemical reactions
  10. 17. a compound has properties ___ from those of its constituent elements