Unit 4 Vocab Crossword

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Across
  1. 5. the arrangement of electrons of an atom in its ground state into various orbitals around the nuclei of atoms
  2. 6. Principle An electron occupies the lowest-energy orbital that can receive it
  3. 9. area of the periodic table where electron configurations end in "s" - Groups 1 and 2
  4. 13. the regions around the nucleus within which the electrons have the highest probability of being found
  5. 15. spherical in shape - 1 orbital - holds 2 electrons
  6. 16. Layer(s) of space around a nucleus (like layers in an onion) that correspond to energy ranges that an electron can have and are numbered 1 - 7.
  7. 17. gas configuration method of representing electron configurations of elements using bracketed noble gas symbols
  8. 18. Refers to electron orbitals designated s, p, d or f. These have characteristic shapes which can be used to explain and predict the chemical bonds that atoms can form.
  9. 19. area of the periodic table where electron configurations end in "d" - groups 3-12
Down
  1. 1. An atomic orbital may describe at most two electrons, each with opposite spin direction
  2. 2. dumbell shape - 3 orbitals - holds 6 electrons
  3. 3. area of the periodic table where electron configurations end in "p" - groups 13-18
  4. 4. Electrons on the outermost energy level of an atom that are used for reacting.
  5. 7. double clover in shape - 7 orbitals - holds 14 electrons
  6. 8. area of the periodic table where electron configurations end in "f" - Lanthanides and Actinides
  7. 10. uses circles, boxes, or blanks to represent atomic orbitals with a label underneath to indicate sublevel and energy level.
  8. 11. having the same number of electrons as an element or ion with differing numbers of protons.
  9. 12. clove shape - 5 orbitals - holds 10 electrons
  10. 14. states that single electrons with the same spin must occupy each equal-energy orbital before additional electrons with opposite spins can occupy the same orbitals