Chemistry Vocabulary Flashcard

Front

What is an exothermic reaction?

Back

A chemical reaction that releases energy in the form of heat or light.

Front

What is an endothermic reaction?

Back

A reaction where energy is absorbed as heat.

Front

What is the definition of Chemistry?

Back

The study of how matter behaves.

Front

What does a chemical change involve?

Back

Making or breaking bonds between atoms.

Front

What are chemical properties?

Back

Properties that cause specific behavior during chemical reactions.

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a reactant?

Back

A substance that undergoes a chemical change in a reaction.

Front

What is a product?

Back

A substance that is formed as a result of a chemical reaction.

Front

What is an atom?

Back

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