The Atomic Mass of an Element Is Equal to

question 18

Multiple Choice

The atomic mass of an element is equal to

• A)its mass number.
• B)its atomic number.
• C)one-twelfth of the mass of a carbon-12 atom.
• D)a weighted average mass of all of the naturally occurring isotopes of the element.
• E)the average mass of all of the naturally occurring isotopes of the element.

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Definitions:

Mere Exposure Effect

A behavioral pattern where familiarity with objects or concepts leads to a preference for them.

Personal Responsibility

The acknowledgment and acceptance by an individual that they are accountable for their actions and decisions.

Bystander Effect

A well-documented effect in social psychology where the presence of onlookers reduces a person's inclination to offer help to those in distress.

Social Exchange Theory

A psychological theory proposing that human relationships are formed by the use of a subjective cost-benefit analysis and the comparison of alternatives.