Chemistry Study Guide

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Across
  1. 1. a positively changed elementary particle
  2. 2. each atomic numbers increase from left to right 1-7
  3. 3. a group of atoms banded together
  4. 5. elements that are good conductors of heat and electricity
  5. 6. letter standing for a name of a periodic table element
  6. 8. the mass of an isotope of an element
  7. 9. six noble gases are found in groups 18 of the peridic table
  8. 11. that matter can be changed from one form into another
  9. 16. obsorbing of heat
  10. 18. is a surface covering in which metal is deposited on a conductive surface
  11. 19. positively charged miss with an atom
  12. 22. elements that are intermediate in their properties
Down
  1. 1. a substance that is formed by a chemical reaction
  2. 4. release of heat
  3. 7. electron of an atom
  4. 10. helped make the periodic table
  5. 12. number of positive charges or protons in the nucleus of an atom
  6. 13. elements that are poor conductors of heat and electricity
  7. 14. wave function describing the state of a signal electron in an atom
  8. 15. a thing that is composed of two or more sewerage elements
  9. 16. one class of substances that cannot be separated into simpler substances by chemical means
  10. 17. the smallest component of an Element
  11. 20. groups of specific elements on the periodic table
  12. 21. an elementary particle that is a fundamental constituent of matter