Chemistry Review

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Across
  1. 2. used to measure temperature of reactions
  2. 6. a shared pair is found in a covalent bond
  3. 7. can be added to a reaction to speed it up
  4. 10. element with atomic number 1
  5. 11. universal indicator turns this colour in a strong alkali
  6. 12. bonding found between metal and non-metal
  7. 15. for a reaction to happen, particles must _______
  8. 16. metal in group 2 that burns very brightly
  9. 19. the gas tested by relighting a glowing splint
  10. 20. the element with 19 neutrons
Down
  1. 1. pH 7
  2. 3. the acid with formula HCl
  3. 4. a reaction where heat energy is given off (exits)
  4. 5. the reaction between fuels and oxygen
  5. 8. the group 7 element which has isotopes
  6. 9. the form of carbon which conducts electricity
  7. 13. name for group 0
  8. 14. a mixture contain chemicals which have a specific use in the substance
  9. 17. the mass number of fluorine
  10. 18. the simplest hydrocarbon family