Balancing Equations Quiz 1

Which side of a chemical equation is the reactant side?

• Left (before the yields sign)
• Right (after the yields sign)

Tags

NGSS.MS-PS1-5

Which side of a chemical equation os the product side?

• Left (before the yields sign)
• Right (after the yields sign)

Tags

NGSS.MS-PS1-5

What is the little number after an element in a chemical equation called.
Example: H₂

• Coefficient 
• Subscript
• Atom
• Equation

What does the Law of Conservation of Mass state?

• Matter cannot be created or destroyed in a chemical reaction.

• Matter can only be lost in a chemical reaction.

• Matter can only be gained in a chemical reaction.

• Matter can be gained and lost in a chemical reaction.

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

When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced

• charge
• subscript
• random number
• coefficient

Tags

NGSS.MS-PS1-5

How many atoms are there TOTAL in:
H₂SO₄

• 6
• 5
• 7
• 3

Tags

NGSS.MS-PS1-1

The red numbers in the image below represent ________

• subscripts

• coefficients

• exponents

• None of the answers are correct

The blue numbers in the image below represent ________

• exponents

• coefficients

• subscripts

• none of the answers are correct

Number of H atoms in 3(NH₄)₂CrO₄

• 4

• 2

• 8

• 24