Chemical Equations Practice

The elements or compounds on the left side of a chemical equation.

• Reactants

• Products

• Coefficients

• Subscripts

The elements or compounds on the right side of a chemical equation.

• Reactants

• Products

• Coefficents

• Subscripts

The Law of Conservation of Mass states that....

• matter can be created or destroyed

• matter can be destroyed but not created

• matter can be created but not destroyed

• matter can not be created or destroyed

Tags

NGSS.MS-PS1-5

4FeS + 7O₂ → 2Fe₂O₃ + 4SO₂

Balanced or Unbalanced?

• Balanced

• Unbalanced

Tags

NGSS.MS-PS1-5

Zn + HCl → ZnCl₂ + H₂

Balanced or Unbalanced?

• Balanced

• Unbalanced

Tags

NGSS.MS-PS1-5

3KOH + H₃PO₄ → K₃PO₄ + 3H₂O

Balanced or Unbalanced?

• Balanced

• Unbalanced

Tags

NGSS.MS-PS1-5

S₈ + F₂ → SF₆

Balanced or Unbalanced

• Balanced

• Unbalanced

Tags

NGSS.MS-PS1-5

2As + 6NaOH → 2Na₃AsO₃ + 3H₂

How many Sodium atoms (Na) are on the product side of this equation?

• 6

• 3

• 5

• 14

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

CaCO₃ represents a chemical

• Symbol
• Formula
• Subscript
• Reaction

Tags

NGSS.MS-PS1-1

A molecule is smaller than an atom.

• True
• False

Tags

NGSS.MS-PS1-1