Performance Task 2.4

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Across
  1. 1. a hydrocarbon that contains a carbon–carbon double bond
  2. 3. symbol of Ni
  3. 4. hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms
  4. 7. m/n
  5. 10. the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance or shape occupies or contains
  6. 11. number of atoms
  7. 16. system of measurement that succeeded the decimalised system based on the metre introduced in France in the 1790s
  8. 17. symbol of O
  9. 18. symbol of Ca
  10. 19. symbol of H
  11. 20. an acyclic saturated hydrocarbon
Down
  1. 2. the measurement system used in many countries including the United States using feet, pounds and seconds
  2. 5. a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei
  3. 6. an unsaturated hydrocarbon containing at least one carbon—carbon triple bond
  4. 8. NA = 6.02214076×10²³ mol⁻¹
  5. 9. hydrocarbons based on chains of C atoms
  6. 12. symbol of P
  7. 13. m/v
  8. 14. commonly used in stoves and in chemistry labs
  9. 15. often shortened to "amp"