Quick Review B

Black = Carbon (C)
White = Hydrogen (H)
What would be the formula for ethane?

• CH₄
• CH₆
• C₂H₂
• C₂H₆

Tags

NGSS.MS-PS1-1

In a chemical reaction, everything to the rightof the arrow is called ______________.

• Products
• Yields
• Molecules
• Reactants

Tags

NGSS.MS-PS1-5

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂ --> 2Al₂ O₃

• 2
• 6
• 1
• 4

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Is the following equation balanced or unbalanced?
Fe + S --> FeS

• balanced
• unbalanced

Tags

NGSS.MS-PS1-5

How many Chlorine (Cl) are in 6NaCl₂?

• 1
• 12
• 6
• 2

How many O's are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

Tags

NGSS.MS-PS1-1

How many Hydrogen are in 4H₂O?

• 6
• 8
• 2
• 4

Tags

NGSS.MS-PS1-1

Is hammering wood together to build a house a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is burning wood a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5