At Its Height in the Second Century, How Large Was

question 57

Multiple Choice

At its height in the second century, how large was the population of the Roman Empire?

• A)Almost one billion
• B)Less than four million
• C)Over 600 million
• D)Between 30 and 35 million
• E)More than 50 million

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Definitions:

Lewis Structure

A diagram that represents the bonding of atoms within a molecule using dots for electrons and lines for bonds.

Acetonitrile

A colorless, volatile liquid used as a solvent in organic synthesis and in the pharmaceutical industry.

Lone Pairs

Pairs of valence electrons that are not shared with another atom and do not participate in bonding, but significantly influence the shape and properties of molecules.

Lewis Structures

Diagrams that represent the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.