Matter and Energy

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Across
  1. 3. determines the identity of the atom
  2. 5. Makes up everything
  3. 7. formed when two or more atoms bond together
  4. 8. a job that studies the behavior of electrons, protons, light,atom and simple molecules.
  5. 9. Two or more different atoms bonded together EX: H2O
  6. 12. how heavy an atom is (Combined amount of neutrons and protons
  7. 14. an atom with a zero charge
  8. 15. an atom with a negative charge
  9. 17. the number of electrons in the outermost energy level of the electron cloud
Down
  1. 1. a type of atom with mostly gas, dull, and a poor conductor
  2. 2. 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.
  3. 4. a element with properties of both metal and non-metal
  4. 6. the number of each type of atom of the molecule
  5. 10. a type of atom that is shiny,malleable and good conductors
  6. 11. where the neutrons and protons are in an atom
  7. 13. an atom with a positive charge
  8. 15. Where the electrons are in an atom
  9. 16. two of the same molecules bonded together EX:O2