Performance Task 2.4

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