elements, molecules, compounds and mixture

This picture represents which of the following?

• element
• compound
• mixture

This picture represents which of the following?

• element

• compound

• mixture

• molecule

What is the picture displayed?

• atom
• element
• molecule
• compound

Are these molecules also compounds?

• YES
• NO

Are these molecules also compounds?

• YES
• NO

In this diagram, X represents...

• A compound

• A mixture

• An atom

• An element

In this diagram, Y represents...

• An element

• A molecule

• A compound

• A mixture

This diagram represents...

• An element

• A molecule

• A compound

• A mixture

Which example is a compound?

• N₂

• O₂

• Cu

• H₂O₂

The chart below lists some substances and their symbols. How many of these substances are examples of elements?

• 1

• 2

• 3

• 4