Chemical Substances and Their Properties

Front

How many different elements are represented in the compound C₁₃H₉N?

Back

3

Front

What is a pure substance that cannot be broken down into simpler substances by a chemical reaction?

Back

Element

Front

What do we call a substance formed when two or more elements chemically combine?

Back

Compound

Front

What contains only one kind of atom?

Back

Element

Front

Can elements be broken down into simpler substances?

Back

False

Front

What is the smallest unit of an element that retains its properties?

Back

Atom

Front

What is a substance made of two or more different elements that are chemically bonded?

Back

Compound

Front

What is a mixture of two or more substances that are not chemically combined?

Back

Mixture

Front

What term describes a combination of substances where each retains its own properties?

Back

Mixture

Front

What is the term for a substance that has a uniform and definite composition?

Back

Pure substance