The Number of Phosphorus Atoms in One Molecule of H₃PO₄

question 21

Multiple Choice

The number of phosphorus atoms in one molecule of H₃PO₄ is ________.

• A) 1
• B) 8
• C) 6.02 × 10²³
• D) 4.8 × 10²³

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Definitions:

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution, affecting the shape of the distribution.

Chi-Squared Critical Value

A point on the chi-squared distribution that is associated with a specified level of significance, used in hypothesis testing.

Degrees of Freedom

The count of autonomous variables or numbers that can be linked to a statistical distribution.

Standard Deviations

Measures of the amount of variation or dispersion of a set of values, indicating how spread out the values are from the mean.