The Atomic Mass of an Element

question 8

Multiple Choice

The atomic mass of an element

• A)is determined by the number of protons and neutrons it contains.
• B)equals the number of protons plus the number of electrons.
• C)equals the number of neutrons.
• D)changes after each reaction.
• E)depends on the number of electrons in the outermost shell.

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Definitions:

Gasoline

A liquid fuel derived from petroleum, used primarily in internal combustion engines.

Deadweight Loss

A loss of economic efficiency that can occur when the equilibrium for a good or service is not achieved or is not achievable.

Consumer Surplus

The difference between what consumers are willing to pay for a good or service and what they actually pay.

Producer Surplus

The difference between the price that suppliers actually receive and the minimum price they would be willing to accept. It measures the net gains to producers and resource suppliers from market exchange. It is not the same as profit.