The Mass Number of an Atom Is Equal to _____

question 136

Multiple Choice

The mass number of an atom is equal to _____.

• A) the sum of the number of neutrons and the number of electrons per atom.
• B) the atomic mass of an element.
• C) the atomic number of an element.
• D) the sum of the number of protons and the number of neutrons per atom.
• E) None of the above

---

Definitions:

Overpriced Warranties

Service contracts sold at a price significantly higher than the expected cost of repairs, often criticized for their value relative to the benefits provided.

Losses

The negative financial result from business activities when costs exceed revenues.

Gains

Increases in economic benefits, such as profit, revenue, or utility, often resulting from investments, trade, or improvements in productivity.

Precommitments

Actions taken ahead of time that make it difficult for the future self to avoid doing what the present self desires. See time inconsistency and self-control problems.