Dr K's AS Unit 2 revision keyword crossword

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Across
  1. 4. Series having the same functional group and general formula
  2. 7. ____ fission is bond breaking where one electron from the bond goes to each atom forming radicals
  3. 8. A species with an unpaired electron is called a
  4. 10. ___ isomer have the same molecular formula, different arrangement of atoms
  5. 11. Removal of a molecule from a saturated molecule to form an unsaturated molecule
  6. 12. Accepts a pair of electrons from electron rich centre to form a covalent bond
  7. 14. A reaction where an atom or group is replaced with another atom or group in a molecule
  8. 15. The minimum energy required to break the bonds of reactants
  9. 17. The reagent in a chemical reaction that is used up first is called the _____ reagent
  10. 18. Enthalpy change giving heat to the surroundings. When enthalpy of reactants > enthalpy of products
  11. 20. Heat content stored in a chemical system
Down
  1. 1. Long chain molecules made up of monomers
  2. 2. Donates a pair of electrons to a delta+ carbon forming a covalent bond
  3. 3. Formula that shows only the carbon skeleton with the Hydrogens removed
  4. 5. Enthalpy change takes in from surroundings. When enthalpy of products > enthalpy of products
  5. 6. ____ isomers have the same structural formula, different spatial arrangement of atoms
  6. 7. ____ fission is bond breaking where both electrons in the bond go to one atom forming ions
  7. 9. The principle that states a system in equilibrium will shift the position of its equilibrium to minimise any change
  8. 13. How easy a liquid turns to a gas
  9. 16. Organic compound with single bonds only
  10. 19. Increases the rate of a reaction by providing a route with lower Ea and comes out unchanged