Chemical Reactions Unit Review Amplify

Front

What is a chemical reaction?

Back

A process where substances (reactants) transform into new substances (products) through the breaking and forming of chemical bonds.

Front

What are reactants in a chemical equation?

Back

The starting substances that undergo a chemical change.

Front

What are products in a chemical equation?

Back

The new substances formed as a result of a chemical reaction.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed; the total mass of reactants equals the total mass of products.

Front

What is a substance?

Back

A form of matter that has a definite composition and distinct properties, such as table salt (NaCl).

Front

What are the properties of matter?

Back

Characteristics that can be observed or measured, including magnetism, color, odor, density, and state of matter.

Front

What is a mixture?

Back

A combination of two or more substances where each retains its own properties.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together in a fixed ratio.

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What is a molecule?

Back

A group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.