Chemistry Unit 2 Atoms

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Across
  1. 3. Where electrons with certain amounts of energy generally stay(No space)
  2. 6. Within a subshell, where electrons move
  3. 7. How much space is in an object
  4. 9. Keeps the protons and neutrons together(No space)
  5. 10. 6.02x10^23(No space)
  6. 11. A theory of element creation by adding and electron and proton at the same time(No space)
  7. 13. The number of protons in an object(No space)
  8. 14. A way to measure mass(No space)
  9. 18. A subatomic particle with a negative charge, in the electron cloud, determines the charge of an atom
  10. 19. How much matter something has
  11. 21. The smallest unit of energy and mass
Down
  1. 1. Says electrons spread out before they pair up(No space)
  2. 2. Where electrons are, contain subshells
  3. 4. Attraction of two atoms with opposite charges that holds the atoms together(No space)
  4. 5. A subatomic particle with a positive charge, in the nucleus, determines the element of an atom
  5. 8. A chemist's dozen 6.02x10^23
  6. 12. The center of an atom, has the protons and neutrons
  7. 15. The mass of an atom or subatomic particles(No space)
  8. 16. Within shells have different orbitals
  9. 17. A subatomic particle with a neutral charge, in the nucleus, determines the atom's isotope
  10. 20. Positive, Negative, Neutral