Matter Vocab

Front

Energy needed to start a chemical reaction is known as ________ __________.

Back

activation energy

Front

Types of bonds: covalent, ionic, metallic.

Back

chemical bonds

Front

When matter changes, it is a ________ change.

Back

chemical

Front

A __________ _________ is a characteristic of a substance observable during a chemical reaction.

Back

chemical property

Front

The Law of ___________ of Mass states that mass cannot be created or destroyed.

Back

conservation

Front

A ______ change is a change in matter that does not affect its chemical composition.

Back

physical

Front

A _________ __________ is a characteristic that can be observed

Back

physical property

Front

A _________ is a solid formed from a chemical reaction between two solutions.

Back

precipitate

Front

Substances formed during a chemical reaction are called the ________

Back

products

Front

Substances before a chemical reaction are called _________

Back

reactants