Unit 1&2 vocab

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Across
  1. 4. The movement of heat from one object or substance to another
  2. 6. A form of energy that exhibits wavelike behavior as it travels through space
  3. 8. The part of the universe being studied in a chemical reaction
  4. 10. The process of a substance changing from one state to another
  5. 11. The study of how heat is involved in chemical reactions
  6. 15. Electrons in the outermost shell of an atom
  7. 16. The number of protons in the nucleus of an atom,which also determines the elements identity
  8. 18. The central part of an atom containing protons and neutrons
  9. 19. Negatively charged subatomic particles found in an atom
Down
  1. 1. A tabular arrangement of the chemical elements, organized by atomic number
  2. 2. The shortest distance between equivelent points on a continuous wave
  3. 3. A unit of energy used to measure heat
  4. 5. The fixed energies an electron can have in an atom
  5. 7. The energy of moving particles in a substance, related to temperature
  6. 9. The total heat content of a system
  7. 12. A fundamental property of electrons that describes their intrinsic angular momentum
  8. 13. Smallest unit of a chemical element
  9. 14. A pure substance consisting of only one type of atom
  10. 17. Neutral subatomic particles that are located in the nucleus