Quiz: Polar Bonds

1. When two electrons in a chemical bond are equally shared between two different atoms, the bond is
a. ionic
b. polar covalent
c. nonpolar covalent
2. Given the electronegativity of rubidium is 0.8 and of chlorine is 3.0, our best interpretation of a bond between these two elements would be
a. ionic
b. polar covalent
c. nonpolar covalent
3. The electronegativity of nitrogen is 3.0 and hydrogen is 2.1. The bonds in ammonia, NH3 would therefore be expected to be
a. ionic
b. polar covalent
c. nonpolar
4. The American chemist Linus Pauling developed what scale to describe the attraction of an atom for the electrons in a chemical bond?
a. Atomic Radii
b. Ionic Charges
c. Electronegativities

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