Chemistry Final Review

Front

What is the little number after an element in a chemical equation called?

Back

Subscript

Front

Which of the following is NOT a sign of a chemical change?

Back

Changing state

Front

How many protons does Carbon have?

Back

6

Front

What is the mass number?

Back

The number of protons and neutrons

Front

What type of change occurs when burning a piece of paper?

Back

Chemical Change

Front

What is a Coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate how many molecules are involved.

Front

What is an Atom?

Back

The basic unit of a chemical element.

Front

What is a Chemical Change?

Back

A change that results in the formation of new chemical substances.

Front

What is a Physical Change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is the difference between an Element and a Compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.