U3: Day 4 Bell Work: Chemical Reactions

During a reaction, atoms are

• created

• destroyed

• neither created nor destroyed - just rearranged

Tags

NGSS.MS-PS1-5

How many total atoms are in this compound? Al₂O₃

• 2

• 5

• 6

• 3

Tags

NGSS.MS-PS1-1

How many F atoms are in this compound? MgF₂

• 2

• 6

• 8

• 12

Tags

NGSS.MS-PS1-1

The starting materials in a chemical reaction are called what?

• Products

• Reactants

• Starters

• Enders

A substance that is formed as the result of a chemical reaction is called

• Product

• Reactant

• Starters

• Enders

A chemical reaction is when...

• Atoms and molecules are destroyed

• Atoms and molecules are created

• Atoms and molecules break apart and regroup to form new products

• Atoms and molecules go on vacation and relax a little

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which chemical equation matches the model shown?

• 3C + 4O --> 3CO2

• 3C + 2O2 --> 3CO2

• C3 + 4O --> 3CO6

• C3 + 2O2 --> 3CO6

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are the basic building blocks of all matter?

• atoms

• elements

• compounds

• chemicals

Tags

NGSS.MS-PS1-1

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

• Yields

• Reactants

• Products

• Precipitates

Tags

NGSS.MS-PS1-2

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

• Products

• Coefficients

• Precipitates

• Reactants

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2