Balancing and Classifying Chemical Equations

What does the symbol inside the circle mean?

• "yields, or produces"

• "dissolved in water"

• "forms a precipitate"

• "released as a gas"

Tags

NGSS.MS-PS1-2

Is the compound in the pink box a Reactant or a Product?

• Reactant

• Product

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the left part of a chemical equation called?
2H_{2 +} O₂ --> 2H₂O

• Reactants

• Products 

• Yields 

• Chemical Equation 

Identify the number in blue.

• Product

• Reactant

• Coefficient

• Subscript

Is this equation balanced?

• yes

• no

• Not enough information

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Balance the following:

____ Fe + ____ Cl₂ → ____ FeCl₃

• 1,1,2

• 1,3,1

• 2,2,3

• 2,3,2

Tags

NGSS.MS-PS1-5

Balance the following:

____ Al + ____ O₂ → ____ Al₂O₃

• 2,3,4

• 4,3,2

• 1,1,2

• 2,1,1

Tags

NGSS.MS-PS1-5

Balance the following: Fluorine and Aluminum oxide react to produce Aluminum fluoride and Oxygen

• 6,2,4,3

• 3,4,2,6

• 5,1,3,2

• 3,2,4,3

Tags

NGSS.MS-PS1-5

The red numbers in the image represent

• subscripts

• coeffiecients

• roman numerals

• none of the answer options are correct

When balancing a chemical equation, you can only change _________, you can never change _______!

• coefficients, subscripts

• subscripts, coefficients

• formulas, subscripts

• coefficients, formula units