3. Matter and Energy

In the classification of matter, table salt is primarily sodium chloride, $NaCl$. How is table salt best classified?

Within the human body, the most abundant chemical compound by mass is which of the following?

Which of the following best describes a compound in the classification of matter?

In the classification of matter, which is generally easier to separate into its components using physical methods (such as filtration or distillation): a mixture or a compound?

In introductory chemistry, organic compounds are typically defined as compounds that contain which element?

In the classification of matter, baking soda (sodium bicarbonate, $\mathrm{Na}{H}_1{C}_1{O}_3$) is best classified as which of the following?

Which statement best explains the difference between an element and a compound?

In the classification of matter, can a single atom be considered a molecule?

Which of the following substances is an inorganic compound?

Which element is present in all organic compounds?

Which of the following compounds is considered inorganic?

Which of the following substances is a compound?

In the classification of matter, which statement best describes the difference between an element and a compound?

Which of the following substances is a compound?

Which element is present in almost every compound in the human body?