Which of These Elements Has Three Valence Electrons

question 36

Multiple Choice

Which of these elements has three valence electrons?

• A) Mg
• B) Li
• C) Al
• D) S
• E) Cl

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Definitions:

Poisson Approximation

A statistical approximation method that applies the Poisson distribution to model the number of events in fixed intervals of time or space under certain conditions.

Probability

The statistical likelihood that a specific event will take place, calculated as a fraction or a percentage between 0% (never happening) and 100% (always happening).

Normal Model

A statistical model, also called the normal distribution, that describes how continuous data is distributed, shaped like a symmetric bell curve.

Standard Deviations

Measures that quantify the amount of variation or dispersion of a set of data values from the mean.