(H) Chemical Bonding and Equations Review

Front

What does the law of conservation of mass state?

Back

Matter cannot be created or destroyed.

Front

What is a charged atom called?

Back

An ion.

Front

In a covalent bond, what happens to electrons?

Back

Electrons are shared.

Front

What type of reactions usually feel cold?

Back

Endothermic reactions.

Front

What do the blue numbers in a chemical formula represent?

Back

Subscripts.

Front

What is a chemical bond?

Back

A force that holds atoms together in a molecule.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is a reactant in a chemical reaction?

Back

A substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

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

Front

What is an exothermic reaction?

Back

A reaction that releases energy, usually in the form of heat.