Chapter 12 Review

CH₄ + O₂ --> CO₂ + H₂O

• decomposition

• synthesis

• single replacement

• double replacement

• combustion

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many carbon atoms (C) are in a CO₂ molecule?

• 1

• 2

• 3

• 0

Tags

NGSS.MS-PS1-1

How many Oxygen atoms (O) are in a  molecule  of CO₂

• 1

• 2

• 3

• 0

Tags

NGSS.MS-PS1-1

How many Hydrogen atoms (H) are in a molecule of H₂O?

• 1

• 2

• 3

• 0

Tags

NGSS.MS-PS1-1

How many oxygens atoms ( O )atoms in a molecule of H₂O?

• 1

• 2

• 3

• 0

Tags

NGSS.MS-PS1-1

The small number to the right of an elemental symbol  ( H₂₎ is called?

•  a subscript 

• a coefficient 

• a variable 

• a divisor 

How many atoms of carbon (C) are in C₆H₁₂O₆?

• 3

• 6

• 12

• 24

Tags

NGSS.MS-PS1-1

Which of the following is a compound?

• Co

• O₂

• C

• CO₂

Tags

NGSS.MS-PS1-1

Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)

• H₃SO₄

• HSO₄

• H₄S₃O

• H₂O

Tags

NGSS.MS-PS1-1

The red numbers in the image below represent ________

• subscripts

• coefficients

• I don't know, and don't want to try

• None of the answers are correct

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5