Chemistry Study Guide

123456789101112131415161718192021222324
Across
  1. 4. number that increase left to right
  2. 5. column of elements
  3. 7. a substance chemically can be used
  4. 9. positive electric charge
  5. 11. number of protons in nucleus of atom
  6. 12. substance formed as a result of chemical reaction
  7. 15. element whose properties are between metal and solid non-metals
  8. 17. solid material, shiny, hard, electoral/thermal conductivity
  9. 19. mass of one element at the beginning of a reaction will equal the mass of the element at the end
  10. 21. group of atoms bonded together
  11. 22. releases energy, heat
  12. 23. absorbs energy, cool
  13. 24. no electric charge
Down
  1. 1. substance that takes part in/undoes changes in reactions
  2. 2. letter(s) that represent the element
  3. 3. mixture of 2 or more elements
  4. 4. layer of something going over something
  5. 6. patterns of electrons formed in an atom
  6. 8. an element that is not a metal
  7. 10. chemist, inventor, made periodic table
  8. 13. number of protons and neutrons in an atom
  9. 14. gasey elements
  10. 16. neutral charge
  11. 18. basic unit of a chemical element
  12. 20. electrons in the outer most orbital
  13. 24. positively charged center of the atom