Front

What is the chemical formula for ammonia?

Back

NH₃

Front

What is a substance that has only one type of atom called?

Back

Element

Front

What term describes a substance's ability to undergo a chemical change?

Back

Chemical property

Front

What term best describes a mixture that is not uniform throughout?

Back

Heterogeneous mixture

Front

What is a substance made of two or more elements that are chemically combined called?

Back

Compound

Front

What is the term for a combination of two or more substances that retain their individual properties?

Back

Mixture

Front

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

Back

Atom

Front

What is the term for a homogeneous mixture of two or more substances?

Back

Solution

Front

What is the process called when a solid changes directly into a gas?

Back

Sublimation

Front

What is the term for a substance that can be separated into simpler substances by chemical means?

Back

Compound