Chemistry Final

  1. Double and triple bonds for because?
    Single covalent bonds do not give all the atoms in the molecule 8 valence electrons.
  2. The ability of an atom to attract the shared electrons in a covalent bond is its?
    Electronegativity.
  3. Which of the folowing substances contains a nonpolar bond?



    D) N2
  4. Which compound contains a polar covalent bond?



    D) HCl
  5. Which of the folowing elements has the lowest electronegativity?



    D) Li
  6. Which of the following compounds contains an ionic bond?



    C) CaO
  7. The VSEPR theory allows us to determine?
    Shape of a molecule
  8. How many covalent bonds will hydrogen atom normally make?
    1
  9. When two or more equivalent dot structures can be written for a given molecule it is said to have?
    resonance
  10. Water has a boiling point of 100C and alchohol has a boiling point of 78C, even though water is a smaller molecule , the large difference in boiling point is due to?
    more hydrogen bonds between the molecules
  11. In a solution the solvent can be what form of matter?
    solid liquid or gas
  12. When KCl dissolves in water....
    The K+ ions are attracted to the partially negative oxygen atoms of the water molecules.
  13. In water, the substance that ionizes completely in a solution is called?
    strong electrolyte
  14. The molarity of a solution refers to?
    moles of solute per liters of solution
  15. According to Henry's law, the solubility of a gas in a liquid ....
    increases as a the gas pressure above the liquid increases
  16. The mass/mass percent concentration refers to the number of grams of solute in...?
    100g of solution.
  17. Hydrogen Sulfide has a similar shape to_____.



    B) Water
  18. The shape of an ammonia molecule is____.
    Trigonal Pyramids
  19. Which of the following compounds will not be soluble in water?



    C) PbS
Author
Anonymous
ID
96477
Card Set
Chemistry Final
Description
Chemistry Final
Updated