Unit 1- Chemistry of Life Vocabulary

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Across
  1. 2. number number of proton, indicated above the symbol
  2. 4. center
  3. 6. pure substance
  4. 7. uneven sharing of electrons result in a molecule having opposite charges at each end
  5. 13. positively charged particle
  6. 14. what is dissolved
  7. 15. negatively charged particle
  8. 18. neutral particle
  9. 19. a mixture in which one substance is dissolved in water
  10. 20. a short representation
Down
  1. 1. two or more substance mixed together physically
  2. 3. number number of protons and neutrons together, indicated below the symbol
  3. 5. attraction of molecules of the same substance
  4. 8. atoms that enter a reaction
  5. 9. atoms that are the result of a reaction
  6. 10. atoms combined chemically through bonding
  7. 11. product of a covalent bond
  8. 12. attraction of molecules of different substances
  9. 16. an atom with increased number of neutrons
  10. 17. basic unit of life