A System of 12 Electrons and 18 Protons Has a Net

question 13

Multiple Choice

A system of 12 electrons and 18 protons has a net charge of

• A) 9.6 × 10^-19 C.
• B) -9.6 × 10^-19 C.
• C) 17.6 × 10^-19 C.
• D) 6.0 × 10^-19 C.
• E) -17.6 × 10^-19 C.

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Definitions:

Proportions

Statistical measures that express the relationship of a part to the whole, often represented as a fraction or percentage.

Two-Sample Tests

Statistical tests used to compare the means or proportions of two independent or unrelated groups.

Equality of Variances

A condition in statistics where different samples have similar variances, important in certain statistical tests, like the ANOVA test.

Independent Samples T-Test

A statistical test used to compare the means from two different groups of samples to see if there is a significant difference between them.