Unit 3 Properties of Matter

Which is the most accurate term for two or more elements that are chemically bonded together?

• Molecule
• Element
• Compound
• Mixture

(T or F) If it is an element, you will always be able to find it on the periodic table of elements. 

• True
• False

How can you tell if you are looking at a chemical symbol versus a a chemical formula?

• Look for subscripts (small numbers)
• Look for lowercase letters
• Count the capitals
• Any of the above 

Which of the following is NOT a compound?

• H₂O (Water)
• C₁₂H₂₂O₁₁ (Sugar)
• O₂ (Breathable Oxygen)
• NaCl (Table Salt)

Tags

NGSS.MS-PS1-1

Which of the following is a reactant in the following chemical equation?
CaCO₃ --> CaO + CO₂

• CaCO₃
• Ca
• CaO
• CO₂

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

What is a product of the following reaction?
C₃H₈ + 5O₂ --> 4H₂O + 3CO₂

• C₃H₈ + 5O₂
• 5O₂
• C₃H₈ 
• 4H₂O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are the reactants in the following chemical equation?
C₃H₈ + 5O₂ --> 4H₂O + 3CO₂

• C₃H₈ + 5O₂
• 4H₂O + 3CO₂
• C₃H₈ 
• 4H₂O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is NOT an example of an element?

• CO
• Cl
• He
• S

Which is NOT an example of a mixture?

• Sand
• Air
• Water
• Trail Mix

Which of the following is NOT true of a chemical equation?

• The arrow points to the products
• There can be more than one reactant
• There can be more than on product
• The arrow points to the reactants