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