The Mass Number of an Atom Is Defined As

question 63

Multiple Choice

The mass number of an atom is defined as:

• A)The total number of protons, neutrons, and electrons of an atom
• B)The total number of protons and electrons of an atom
• C)The total number of protons and neutrons of an atom
• D)The total number of neutrons and electrons of an atom
• E)The total number of protons of an atom

---

Definitions:

Independent Variables

Variables in statistical models that are manipulated or categorized to observe their effect on dependent variables.

Quantitative Predictor Variables

Variables that can be quantified and measured and are used to predict outcomes in statistical analyses.

Indicator Variables

Variables used in statistical models that take the value of 1 if a certain condition is met and 0 otherwise, often used to represent categorical data.

Regression Model

A statistical model used to estimate the relationship between a dependent variable and one or more independent variables.