Counting Atoms

Front

What is an element?

Back

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

Front

How many Hydrogen atoms are in 4H₂O?

Back

8

Front

What is C₂H₈O?

Back

A compound.

Front

In the formula 4CF₂Cl₂, how many Carbon (C) atoms are there?

Back

4

Front

In the formula 4CF₂Cl₂, how many Fluorine (F) atoms are there?

Back

8

Front

In the formula 4CF₂Cl₂, how many Chlorine (Cl) atoms are there?

Back

8

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What does the subscript in a chemical formula indicate?

Back

The number of atoms of the element in the molecule.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down, while a compound is made of two or more elements chemically combined.

Front

What is the chemical formula for water?

Back

H₂O