Chemistry Review

Front

What is the chemical symbol for Hydrogen?

Back

H

Front

How many phases of matter are there?

Back

3; Gas, Liquid, and Solid

Front

What is an element?

Back

A pure substance at its simplest form.

Front

What is an atom?

Back

Basic unit of a chemical element.

Front

What is an example of a physical change?

Back

Money being sliced in half.

Front

What is a chemical formula?

Back

A way to represent a chemical substance using symbols.

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What are the three common phases of matter?

Back

Solid, Liquid, Gas.

Front

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

Back

A physical change does not alter the substance's chemical composition, while a chemical change does.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.