Counting Atoms Practice

Front

What is the total number of atoms in the compound for ammonia, NH₃?

Back

4

Front

Is NaCl considered a compound or an element?

Back

compound

Front

How many elements are in the compound for propane, C₃H₈?

Back

2

Front

What is the total number of hydrogen atoms in glucose, C₆H₁₂O₆?

Back

12

Front

How many total atoms are in the compound 2H₂O?

Back

6

Front

What is a compound?

Back

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

Front

What is an element?

Back

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

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 chemical formula for water?

Back

H₂O

Front

How many total atoms are in the compound for carbon dioxide, CO₂?

Back

3