Periodic Table, Electron Configuration, History and Atom Structure

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Across
  1. 3. Groups in the periodic table that describes similar chemical properties with other elements (ex: Halogens)
  2. 4. Thomson: 1904, he discovered negative charges within the atom’s and made the Plumm pudding model
  3. 6. 1910, he claimed that atoms have a mass consisting of Protons and Neutrons, created Rutherford model
  4. 8. Radius: The length from the center of the nucleus to the outermost electron shell
  5. 9. 1913, he stated and created the Bohr model where electrons were in electron rings with specific number of electrons in each ring
  6. 10. The energy required to move electrons from the electron shell
  7. 12. Principle: Principle states start at the lowest energy on the Aufbau diagram
  8. 14. Organizes the periodic table Downwards
  9. 15. Organizes the periodic table Across
  10. 16. Contains two electrons, used for electron configuration
  11. 18. The tendency to attract electrons to form a full electron shell
Down
  1. 1. Rule: Rule declares electrons must fill up other orbitals before pairing them up
  2. 2. Particle located outside the nucleus in shells with a negative charge
  3. 4. Dalton: 1803, stated atoms can't be created nor destroyed
  4. 5. Particle in the nucleus that has a positive charge, and determines atomic number
  5. 7. electrons: Electrons located on the outermost layer of the electron shell, can describe reactivity and for bonding.
  6. 11. Particle in the nucleus with a neutral charge, varies with isotopes
  7. 13. A Greek who discovered the atoms existence, states it makes up all matter
  8. 14. Exclusion Principle: A principle states each orbital holds 3 electrons with opposite spins
  9. 17. Term used where directions Ionization, Electronegativity and Atomic Radius follow on the periodic table.