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