Which letter in the diagram represents a compound?

• A

• B

• C

• D

• 3

• 2

• 6

• 1

A type of mixture in which the substances are not evenly mixed.

• atom
• element
• compound
• heterogeneous mixture

• Change the subscript to a 4

• Place a 3 in front of the sulfur

• Place a 3 in front of the oxygen

• Place a 2 in front of the sulfur

How many TOTAL atoms are in the compound 3H₂O?

• 3
• 9
• 5
• 6

A substance that consists of just one type of atom.

• atom
• compound
• element
• mixture

Which of the following is a homogeneous mixture?

• cereal and milk
• chocolate chip ice cream
• cake batter
• greek salad

What is the chemical formula represented in the diagram?

• 2C₄H₉
• C₄H₁₀
• H₁₀C₅
• C₄H₁₁

Matter that can vary in composition.

• mixture
• electron
• compound
• element

What is the symbol for the element gold?

• Gd
• Au
• G
• Sn