Unit 3 IPC Chemical Reactions

Front

What is a sign that a chemical reaction has occurred?

Back

Formation of a gas is a sign that a chemical reaction has occurred.

Front

What do endothermic changes do?

Back

Endothermic changes absorb heat.

Front

Is NaBr ionic or covalent?

Back

NaBr is an ionic compound.

Front

What do elements in the same column of the periodic table have in common?

Back

Elements in the same column have the same number of valence electrons.

Front

What is the Law of Conservation of Mass?

Back

The Law of Conservation of Mass states that matter cannot be created or destroyed.

Front

What is a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases heat.

Front

What are reactants in a chemical reaction?

Back

Reactants are the starting materials in a chemical reaction.

Front

What are products in a chemical reaction?

Back

Products are the substances formed as a result of a chemical reaction.

Front

What is a catalyst?

Back

A catalyst is a substance that increases the rate of a chemical reaction without being consumed.