3. Matter and Energy

In the classification of matter, granite is best described as which of the following?

In the classification of matter, how is a compound different from an element?

Which statement best describes the difference between an element and a compound in the classification of matter?

In the classification of matter, which of the following is classified as an element?

In the classification of matter, what is the smallest unit of a compound that retains the compound’s chemical properties?

In the classification of matter, what is the smallest unit of a compound that still retains the chemical properties of that compound?

Table salt (chemical formula $NaCl$) is best classified as which type of matter?

In the context of classifying matter, steel is an alloy mainly composed of which element?

In the classification of matter, which element is characteristic of organic compounds?

All organic compounds must contain which element?

In the classification of matter, what is the smallest unit of a compound that still retains the compound’s chemical properties?

In the context of classifying matter, which of the following is NOT an organic compound?

In the classification of matter, how is milk best classified?

Copper wire is primarily made of copper. How should copper wire be classified as a type of matter?

Which element makes up most of Earth's atmosphere by volume?