H and 2nd Shell Electronegativity: Practice Quiz

Ten questions pulled at random. Regenerate any time for a fresh set.

1. 1. The C–H bond difference (2.5 - 2.1) makes it:

   Strongly polarImpossibleEssentially nonpolarIonic

2. 2. Lithium's electronegativity is:

   0.52.01.01.5

3. 3. Fluorine's electronegativity is:

   3.04.03.54.5

4. 4. The O–H bond difference is 1.4, so it is:

   Polar covalentNonpolar covalentIonicTriple

5. 5. A bond with a difference of 0.3 is:

   Nonpolar covalentMetallicPolar covalentIonic

6. 6. Going across the second row, electronegativity climbs by about:

   2.0 per step0.5 per step1.0 per step0.1 per step

7. 7. A difference of 2.5 between two atoms means the bond is:

   Mostly ionicPolar covalentNonpolar covalentMetallic

8. 8. Electronegativity of oxygen:

   2.54.03.53.0

9. 9. Which second-shell element has the value 3.0?

   NCBO

10. 10. Carbon's electronegativity is:

    2.02.13.02.5