Match the following systems of numerical reckoning with the correct number forms:

What kind of third declension noun do the endings of trēs, tria most resemble?

A bedroom has a volume of 101 m3. What is its volume in cubic kilometers (km3)?

Determine the formal charge on the N in NO2.

Assuming all bonded groups are identical, which of the following VSEPR geometries can produce a nonpolar molecule?

Indicate the electron configuration for Fe3+

Which molecule would you expect to be a free radical?

Identify C7H15CO2H 

Of the elements listed in the choices, which would be expected to have the most metallic character?

Choose the most stable and correct Lewis dot structure for magnesium bromide;