Chemical Equations Review- Matter and Change

Which of these is a compound?

• Copper
• Carbon Dioxide
• Sodium
• Zinc

Tags

NGSS.MS-PS1-1

Which of these is an element?

• Carbon
• Water
• Salt
• Sugar

The substances you put together in a chemical reaction and are on the left side of an equation are called

• products.
• reactants.
• elements.
• compounds.

The substances you get in a chemical reaction and are listed on the right side of a chemical equation are called

• products.
• reactants.
• elements.
• compounds.

Tags

NGSS.MS-PS1-5

A chemical equation that shows the same number of each kind of atom on both sides of the equation is said to be...

• Balanced
• Unbalanced
• An Incomplete Reaction
• A complete Reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

CaCO₃ is an example of a chemical

• symbol
• formula
• subscript
• reaction

An shorter way to show a chemical reaction , using symbols instead of words is called

• Chemical Equation
• Chemical Formula
• Symbol
• Subscript

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

• Product 
• Coeffecients
• Precipitates
• Reactants

Tags

NGSS.HS-PS1-7

Water is _____

• two parts O and one part H
• two parts H and one part O
• one part H and one part O
• two parts H and two parts O

Tags

NGSS.MS-PS1-1

What is the coefficient of the oxygen molecule in the elephant toothpaste equation?
2 H₂O₂ -> 2 H₂O + O₂

• 0
• 1
• 2
• 4

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5