The Atomic Mass of an Element Is

question 50

Multiple Choice

The atomic mass of an element is

• A) the average atomic mass of its isotopes according to their proportions in nature.
• B) the average mass number of its isotopes according to their proportions in nature.
• C) the average atomic number of its isotopes according to their proportions in nature.
• D) the atomic mass of its most abundant isotope.

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Definitions:

Total Revenue

Total revenue refers to the overall amount of money generated by a business from its sales activities before any expenses are subtracted.

Break-Even Point

An output at which a firm makes a normal profit (total revenue = total cost) but not an economic profit.

Total Revenue

The total income received by a firm from selling its goods or services, calculated as the quantity sold multiplied by the selling price per unit.

Short-Run Supply Curve

A supply curve that shows the quantity of a product a firm in a purely competitive industry will offer to sell at various prices in the short run; the portion of the firm’s short-run marginal cost curve that lies above its average-variable-cost curve.