Chemistry

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Across
  1. 1. nucleus the central component of an atom with a positive charge
  2. 4. 6,02 x 10∧23- .... law
  3. 5. the study of compounds not covered by organic chemistry- ..... chemistry
  4. 7. a species with an overall positive charge
  5. 8. the last name of the Russian chemist who created the first version of the periodic table of elements
  6. 9. a species with an overall negative charge
  7. 12. an aliphatic hydrocarbon that contains a C-C triple bond
  8. 13. a combination of more than one element
  9. 15. an organic compound that contains an OH functional group
  10. 16. the study of carbon and its compounds- .... chemistry
  11. 18. an enzyme found in saliva, that converts starch and glycogen into simple sugars
  12. 19. atoms with the same number of protons but different numbers of neutrons
  13. 20. what colour does calcium chloride burn?
  14. 22. the study of the interactions of matter with other matter and with energy
  15. 24. the acronym for 3,4-methylenedioxymethamphetamine
  16. 26. a unit of radioactivity equal to 3,7 x 1010 decays/s
  17. 27. abbreviation for lysergic acid diethylamide
Down
  1. 2. the process of a gas becoming a liquid
  2. 3. quantity of matter in an object
  3. 5. a substance whose colour change indicates the equivalence point of a titration
  4. 6. a unit of radioactivity equal to 1 decay per second
  5. 10. an aliphatic hydrocarbon with only single covalent bonds
  6. 11. a tiny subatomic particle with a negative charge
  7. 14. abbreviation for deoxyribonucleic acid
  8. 17. a container used to measure the heat of a chemical reaction
  9. 18. the smallest piece of an element
  10. 21. branch of chemistry that studies the chemical processes that occur inside of living organisms
  11. 23. an organic derivative of ammonia
  12. 25. a compound that increases the amount of H+ ions in an aqueous solution