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What is the formal charge on the indicated carbon atom?
Purchase
is the action of acquiring goods or services in exchange for money or an equivalent consideration.
Chi-Square
A statistical test used to determine if there is a significant difference between the expected frequencies and the observed frequencies in one or more categories.
Goodness-Of-Fit Test
A statistical test used to see how well sample data fit a distribution from a population with a normal distribution.
Lower-Tail Test
A statistical test used to determine if a data sample is significantly lower than the population mean.
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