Earth's Elements

  What is a pure substance made of two or more elements that are chemically combined called?

• A. element
• B. compound     
• C. mixture
• D. solution

_____ - made up of two or more elements.

• Element
• Compound

_____ - only has one capital letter.

• Element
• Compound

_____ - has two or more capital letters.

• Element
• Compound

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

This picture represents which of the following?

• element
• compound
• mixture

This picture represents which of the following?

• element
• compound
• mixture

What is water (H₂0)?

• element
• compound
• mixture

What is gold (Au)?

• element
• compound
• mixture