What Are the Bond Angles in the Following Molecular Model

question 100

Multiple Choice

What are the bond angles in the following molecular model of H₃O⁺?

• A)less than 109.5°
• B)109.5°
• C)less than 120° but greater than 109.5°
• D)120°

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Definitions:

Contingency Table

A table often used in statistics to display the frequency distribution of variables, enabling a visual inspection of the relationship between them.

Qualitative Variables

Variables that express descriptive or categorical attributes and cannot naturally be represented by a numerical value.

Chi-Square Test

The Chi-Square Test is a statistical test used to determine if there is a significant difference between expected frequencies and observed frequencies in one or more categories.

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or to the final calculation of a statistic without violating any constraints.