1. Intro to General Chemistry

In a single water molecule (H_2O), which atom carries a slightly positive charge due to the molecule's polarity?

Water is an example of a compound. Which of the following is the best description of all compounds?

Which of the following best describes the appearance of copper(II) oxide?

In the labeling of fertilizers, the first number in the N-P-K ratio represents the percentage by mass of which element?

Which of the following substances contains nitrous oxide?

Which of the following is a characteristic property of chlorine that distinguishes it from oxygen?

Why does hydrogen (H) have a different subscript in each chemical formula of various substances?

Which of the following compounds is classified as a chlorofluorocarbon (CFC)?

Which phrase most accurately describes a chemical change?

Which type of change is responsible for iron rusting?

Aqua regia is a mixture of which of the following substances?

Which of the following observations does NOT indicate that a chemical reaction has occurred?

Which of the following best explains why different substances have different chemical properties?

Which of the following compounds is NOT involved in the depletion of stratospheric ozone?

Brake fluid is made up of a chemical that: