How Many Neutrons Are Present in an Atom of the Isotope

question 106

Multiple Choice

How many neutrons are present in an atom of the isotope 7
3 Li?

• A)3
• B)4
• C)7
• D)10
• E)None of the choices are correct.

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Definitions:

68-95-99.7 Rule

A statistical rule stating that in a normal distribution, about 68% of observed values fall within one standard deviation, 95% within two, and 99.7% within three standard deviations of the mean.

Normally Distributed

Describes a statistical distribution where data points are symmetrically distributed around the mean, forming a bell-shaped curve.

Standard Deviation

A statistical measure that represents the amount of variation or dispersion from the average in a set of data.

Assignable Cause

A specific factor or reason for variation in a process that can be identified and managed.