Ch 2 Matter Post-Test (2.1 - 2.3)

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances, often accompanied by energy changes, color changes, or the production of gas.

Front

Is baking a cake a physical or a chemical change?

Back

Baking a cake is a chemical change.

Front

What is reactivity in terms of matter?

Back

Reactivity is the ability of a substance to undergo a chemical reaction, often resulting in the formation of new substances.

Front

Is reactivity a chemical or physical property?

Back

Reactivity is a chemical property.

Front

What is an element?

Back

An element is a pure substance that consists of only one type of atom.

Front

What is a compound?

Back

A compound is a substance formed when two or more different types of atoms bond together.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What is the state of matter represented by 'E' in the ENERGY DOODLE?

Back

The state of matter represented by 'E' is gas.

Front

What is malleability?

Back

Malleability is the ability of a substance to be deformed or flattened into thin sheets.