Atoms vs Molecules

Is this model of a molecule or atom?

• Atom

• Molecule

What is the basic unit of matter and is the smallest particle of an element?

• Atoms
• Elements
• Compounds
• Molecules

Two or more atoms chemically bonded together are called a

• atom
• element
• molecule
• mixture

How many carbon atoms are there in a methane (CH₄) molecule? 

• 0
• 1
• 4
• 5

How many hydrogen atoms are there in a water molecule (H₂0)?

• 0

• 1

• 2

• 3

What is the total number of atoms in an ammonia (NH₃) molecule?

• 1
• 2
• 3
• 4

Carbon dioxide (CO₂) contains how many atoms of oxygen?

• 0
• 1
• 2
• 3

Is this model an atom or molecule?

• atom

• molecule

How many hydrogen atoms are in a molecule of glucose/sugar (C₆H₁₂O₆)?

• 6
• 12
• 18
• 24

In this picture, there are

• only atoms

• only molecules

• A mixture of atoms and molecules