Semester 1 Post-Review

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Across
  1. 4. Roman numeral for a cation that given up 7 electrons
  2. 5. covalent bond with uneven sharing
  3. 7. thermodynamic law describing the natural direction of change
  4. 8. opposites…
  5. 10. formed by an exchange of electrons or a shared pair of electrons
  6. 11. group elements that can form an alloy (mixture) but don’t easily bond to each other
  7. 12. bond type for high different in electronegativity
  8. 15. bond type for elements close to each other on the periodic table
  9. 16. fundamental force that holds electrons in the cloud around the nucleus
  10. 18. has gained or tends to gain electrons
Down
  1. 1. electrons are gained
  2. 2. electrons are lost
  3. 3. the number of years BTA has been a school
  4. 5. charge of the nucleus
  5. 6. metals always with a preferred oxidation state of 1+
  6. 9. elemental gas that usually is found as a molecule with 2 atoms
  7. 10. lightest alkaline earth metal
  8. 13. a location on a molecule that is not an ion, but has enough apparent charge to attract or repel
  9. 14. has lost or tends to lose electrons
  10. 17. covalent bond that usually only occurs in diatomics