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:

Anorexia Nervosa

An eating disorder characterized by an abnormally low body weight, intense fear of gaining weight, and a distorted perception of body weight.

Operational Definition

A precise description of how variables will be measured or manipulated in a study.

Anxiety

A sense of apprehension or fear, often related to a forthcoming event or a situation with an unpredictable result.

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The state of being out of place or not in harmony, often leading to surprise or humor due to the unexpected mismatch.