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Matter Final Assessment

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Composition of Matter

Acids And Bases

Chemical Change Miscellaneous

Answer to Column 1 $100

What does the smallest particle of matter consist of?

Column 1 Question $100

• Protons – positively charged• Neutrons – neutrons have no charge• Electrons – negatively charged

Answer to Column 1 $200

What is matter that is made of only one kind of atom?

Column 1 Question $200

Element

Answer to Column 1 $300

What is a molecule?

Column 1 Question $300

A molecule consists of two or more atoms of the same element, or

different elements, that are chemically bound together.

Answer to Column 1 $400

What is a compound?

Column 1 Question $400

Atoms of two or more different elements bonded together.

Answer to Column 2 $100

Name 2 properties of an acid.

Column 2 Question $100

• Sour taste• Can be harmful or corrosive• pH less than 7• Neutralizes bases• Turns blue litmus paper to red

Answer to Column 2 $200

Name 2 properties of a base.

Column 2 Question $200

• Tastes bitter• pH greater than 7• Neutralizes acids• Feels slippery• Turns red litmus paper blue

Answer to Column 2 $300

What occurs during neutralization?

Column 2 Question $300

An acid reacts with a base to produce pure water and a salt.

Answer to Column 2 $400

Is soda pop and acid or a base. Explain.

Column 2 Question $400

All carbonated beverages are carbonated with carbon dioxide. Water and carbon

dioxide together create a low concentration of carbonic acid, a very

mild acid, present in all carbonated beverages. In other words, it's an acid.

Answer to Column 3 $100

A chemical change is caused by a chemical reaction. List three reactions you could observe to prove a chemical

change has occurred.

Column 3 Question $100

• change in color• gas given off—new substance• heat created• fizzing/bubbling—new substance• light created• rusting• odor

Answer to Column 3 $200

Baking soda and vinegar are mixed and

cause fizzing. What is the proof that

a chemical change occurred?

Column 3 Question $200

1. Fizzing is proof a chemical change occurred because a gas was created.

2. New substance

3. Cannot be reversed

Answer to Column 3 $300

What occurred in a chemical change if the mass of a substance decreases?

Column 3 Question $300

Matter escaped because of an open system.

Answer to Column 3 $400

Your mom mixes a few ingredients

to make you some cookies. You eat them

after they are baked.

What chemical and physical changes are

occurring?

Column 3 Question $400

When the ingredients are mixed, a physical change occurred.

When the cookies are baked and eaten, a chemical change occurred.

Answer to Column 4 $100

Which are compounds?

Column 4 Question $100

Carbon Monoxide

Carbon Dioxide

Answer to Column 4 $200

When a physical and chemical change

occurs in a closed system, the mass will:

a) Increase

b) Decrease

c) Stay the same

Column 4 Question $200

The mass does not change.

Answer to Column 4 $300

List 3 examples of chemical changes that

occur around you.

Column 4 Question $300

Car motor running, cooking, rusting, burning, acid rain, decomposing…

Answer to Column 4 $400

C6H12O4Cl

C3H8O

H2O

O2

# of Carbon atoms

# of atoms total

# of elements

Chemical Formula

Column 4 Question $400

6234C6H12O4Cl

3123C3H8O

032H2O

021O2

# of Carbon atoms

# of atoms total

# of elements

Chemical Formula