Matter and Energy

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Across
  1. 4. an atom with a zero charge
  2. 6. a job that studies the behavior of electrons, protons, light,atom and simple molecules.
  3. 9. a type of atom that is shiny,malleable and good conductors
  4. 10. how heavy an atom is (Combined amount of neutrons and protons
  5. 11. the number of each type of atom of the molecule
  6. 13. formed when two or more atoms bond together
  7. 15. an atom with a negative charge
  8. 16. Two or more different atoms bonded together EX: H2O
Down
  1. 1. a type of atom with mostly gas, dull, and a poor conductor
  2. 2. the number of electrons in the outermost energy level of the electron cloud
  3. 3. an atom with a positive charge
  4. 5. where the neutrons and protons are in an atom
  5. 7. a element with properties of both metal and non-metal
  6. 8. Makes up everything
  7. 10. it is a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons without this almost everything would not exist.
  8. 12. The letter/name of the atom
  9. 14. Where the electrons are in an atom
  10. 15. two of the same molecules bonded together EX:O2