The Mass Number of an Atom Equals

question 83

Multiple Choice

The mass number of an atom equals

• A) the number of neutrons per atom
• B) the atomic mass of the element
• C) the atomic number of the element
• D) the number of protons plus the number of neutrons per atom
• E) none of the above

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Definitions:

Probability

A measure of the likelihood of a specific event or outcome occurring, expressed as a ratio between 0 and 1.

Depressed

A state characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities.

Probability

A measure of the likelihood of occurrence of a particular event or outcome, expressed as a number between 0 and 1.

Smiling

The act of expressing happiness, pleasure, or friendliness through a facial expression that typically raises the corners of the mouth.