Matter and Energy Review

Front

Why are cooking pots often made of metal?

Back

Because metals are good conductors of heat.

Front

Which elements have the most similar chemical properties?

Back

Oxygen and sulfur.

Front

What property of aluminum is demonstrated by rolling up a burrito in foil?

Back

Aluminum is malleable.

Front

How many valence electrons does Aluminum have?

Back

3 Valence electrons.

Front

How many valence electrons are found in atoms of group 14?

Back

4 Valence electrons.

Front

What is the definition of matter?

Back

Matter is anything that has mass and takes up space.

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance, while a chemical change alters its composition.

Front

What is an example of a good conductor of heat?

Back

Metals like copper and aluminum.