Anything that has mass and occupies space is matter.

Chemistry is the study of composition of matter and the changes that matter undergoes.

What are the 5 major areas of chemistry?

List 2 ways to meet demand for energy.

Which answer describes a part of a sample with uniform composition and properties?

What is used to represent an element?

A change in the composition of matter _______ occurs during a chemical reaction.

Which answer is 503000000 written correctly in scientific notation?

How many significant figures in the measurement 6.80 m?

About how many atoms of copper when placed side by side would form a line 1 cm long?

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