Balanicing and Types of Chemical Equations

How many carbon atoms are in 2Na₂CO₃

• 1

• 2

• 3

• 5

Tags

NGSS.MS-PS1-1

How many sodium atoms in Na₂CO₃

• 1

• 2

• 3

• 6

Tags

NGSS.MS-PS1-1

How many total atoms are in the compound C₂H₈O ?

• 11
• 2
• 8
• 1

Tags

NGSS.MS-PS1-1

How many Aluminum are in Al₂O₃?

• 3
• 2
• 5

Tags

NGSS.MS-PS1-1

How many Magnesium are in 10MgCl₂?

• 10
• 5
• 20

Tags

NGSS.MS-PS1-1

Balance this equation:
 2Li + Cl₂ -> LiCl

• 2Li + Cl₂ -> 4LiCl2
• 2Li + Cl₂ -> LiCl₂
• 2Li + Cl₂ -> 2LiCl

Tags

NGSS.MS-PS1-5

The substances listed on the left side of a chemical equation are the

• Products
• Coefficients
• Precipitates
• Reactants

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In chemical reactions, what does the principle of conservation of mass mean?

• Matter is not created or destroyed.
• The total mass of the reactants is greater than the total mass of the products.
• The total mass of the reactants is less than the total mass of the products.
• Matter is not changed.
  

Tags

NGSS.MS-PS1-5

Name the part in red:

H₂ + O₂ -> H₂O

• Coefficient
• Product
• Yield
• Subscript

Name the part in red:

H₂ + O₂ -> H₂O

• Coefficient
• Product
• Reactant
• Subscript