What Is the Name for the Following Polyatomic Ion? PO₄-3

question 18

Multiple Choice

What is the name for the following polyatomic ion? PO₄-3

• A)phosphate
• B)phosphorus oxide
• C)phosphinate
• D)trioxo phosphoride
• E)potassium

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Definitions:

Standard Deviation

A way of measuring how much variety or distribution exists among numerical values.

Expected Value

In probability theory, a weighted average of all possible values of a random variable, reflecting its anticipated outcome.

Sample Proportion

A statistic that estimates the fraction of the population that has a certain trait, characteristic or behavior, calculated as the number of observations in the sample with that trait over the total sample size.

Probability

A measure of the likelihood that a particular event will occur, expressed as a number between 0 and 1.