Chemistry Vocab #2

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Across
  1. 5. a vertical column of elements in the periodic table
  2. 7. any of the one or more orbitals making up an electron shell of an atom.
  3. 9. primarily determines the number of orbitals and the orientation of orbitals in a given sub-shell
  4. 13. a mathematical expression, called a wave function, that describes properties
  5. 14. describes the angular momentum of an electro
  6. 16. the sum of the number of neutrons and protons in an atomic nucleus
  7. 18. Atoms of the same element that have different numbers of neutrons
  8. 19. describes the general shape or region an electron occupies—its orbital shape
Down
  1. 1. Particles found within the atom, mainly protons, neutrons, and electrons.
  2. 2. an element that is shiny and that conducts heat and electricity well
  3. 3. a single electron or one of two or more electrons in the outer shell of an atom
  4. 4. are fixed distances from the nucleus of an atom where electrons may be found
  5. 6. electrons revolve around the nucleus in a specific circular path known as orbit
  6. 8. A horizontal row of elements in the periodic table
  7. 10. mass of an atom
  8. 11. an element that has properties of both metals and nonmetals
  9. 12. the number of protons in the nucleus of an atom
  10. 15. bohr model
  11. 17. a substance having a finite activation energy (band gap) for electron conduction