How Many Lone Pairs of Electrons Are Around the Central

question 119

Multiple Choice

How many lone pairs of electrons are around the central atom?

• A) 1
• B) 4
• C) 0
• D) 2
• E) 3

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Definitions:

Test Statistic

A statistic calculated from sample data that is used in a hypothesis test to decide whether to reject the null hypothesis.

Sample Proportion

The ratio of members within a sample that possess a particular trait or characteristic, relative to the total sample size.

Null Hypothesis

The hypothesis that predicts no interaction or association between variables, serving as the benchmark for statistical testing.

Null Hypothesis

The hypothesis that there is no effect or no difference, and any observed deviation from this is due to sampling or experimental error.