Chemistry

Front

How is the periodic table of elements arranged?

Back

by their atomic number.

Front

What does the Law of Conservation of Mass state?

Back

Matter cannot be created or destroyed, but can be transformed.

Front

What is a physical change?

Back

A change that does not create a new substance.

Front

What is a chemical change?

Back

A change that creates a new substance.

Front

Is burning wood a chemical or physical change?

Back

Chemical change.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of substances that retain their individual properties, while a compound is a substance formed from two or more elements that are chemically bonded.

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.