Across
- 3. the colour and state of bromine at room temperature
- 4. what method is used to extract aluminium from its ore?
- 5. What must be drawn on a rate of reaction curve in order to calculate the rate of reaction?
- 9. The creator of the modern periodic table
- 12. The negatively charged sub atomic particle
- 15. Which scientist discovered electrons went in shells
- 16. the name of the process to make long organic molecules shorter
- 17. What must particles do in order to react?
- 18. The type of bonding between metals and non-metals
- 20. The name given to the elements between group 2 and group 3
- 23. Which scientist discovered the atom is mainly empty space?
- 25. How many electrons can go in the second and third shells?
- 27. A substance which speeds up a reaction without being used up
- 28. which element is used to extract iron from its ore?
- 29. What is the minimum amount of energy required for a reaction to occur?
- 30. which organic molecules do not have a functional group?
- 33. the name of the positive electrode
- 34. which organic molecules contain the C=C functional group
- 35. The name of the particles created when an atom either gains or loses electrons
- 39. Which gas is produced when an acid reacts with a metal carbonate?
- 40. 6.02x10^23 atoms = 1 .....
- 41. the type of energy the particles gain more of when the temperature of a reaction is increased
- 43. the type of polymerisation which produces the polymer plus water
- 45. The type of bonding found in metals
- 46. the type of polymerisation done by alkenes
- 48. which organic molecules have a fruity smell
- 49. The model of the atom created by James Dalton
- 50. The name given to the group 7 elements
- 51. the name of the negative electrode
Down
- 1. amino acids form polymers called ....
- 2. The positively charged subatomic particle
- 6. which organic molecules contain the O-H functional group?
- 7. Diamond, graphite and fullerenes are ...... of carbon
- 8. the colour and state of iodine at room temperature
- 10. what is the general term for the substances which appear on the left hand side of a chemical equation?
- 11. the name of the process to separate the different fractions of crude oil
- 13. the colour and state of chlorine at room temperature
- 14. The gas given off when group 1 metals react with water
- 19. The name given to the group 0 elements
- 21. DNA is made of two polymer chains called ...
- 22. The type of bonding between two non-metals
- 24. the loss of electrons
- 26. How many electrons can go in the first shell?
- 31. the gain of electrons
- 32. which organic molecules contain the COOH functional group?
- 36. A sub atomic particle with no charge
- 37. The type of reaction when an acid and an alkali react together
- 38. The name of the group 1 elements
- 42. Which scientist discovered the neutron
- 44. The hardest naturally occurring substance
- 47. what is the general term for the substances which appear on the right hand side of a chemical equation?