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MATTER REVIEW

Total questions: 85

Worksheet time: 1hrs 4mins

Name
Class
Date
1.
Identify the example of a PHYSICAL change.
a)
Boiling Water
b)
Baking a Cake
c)
Burning Paper
2.
Identify the example of a CHEMICAL change.
a)
Crushing a Can
b)
Chopping Wood
c)
Digesting Food
3.
Identify a PHYSICAL PROPERTY.
a)
Reactivity
b)
Density
c)
Flammability
d)
Toxicity
4.
Identify a CHEMICAL PROPERTY.
a)
Luster
b)
Texture
c)
Magnetism
d)
Flammability
5.
What is the correct order of the shown molecules?
a)
Liquid-Solid-Gas
b)
Solid-Liquid-Gas
c)
Gas-Liquid-Solid
d)
Solid-Gas-Liquid
6.
Which item in the pair is denser?
Volleyball or Bowling Ball
a)
Volleyball
b)
Bowling Ball
7.
Which item in the pair is denser?
Brick or Sponge
a)
Brick
b)
Sponge
8.
Which state of matter has a definite SHAPE and VOLUME?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
9.
Which state of matter has ionized gas that emits electrons?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
10.
Which state of matter has a definite volume but no shape?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
11.
Which state of matter has NO shape OR volume?
a)
Solid
b)
Liquid
c)
Gas
12.
Identify part #1
a)
Nucleus
b)
Electron
c)
Proton
d)
Neutron
13.
Identify part #2
a)
Nucleus
b)
Electron
c)
Proton
d)
Neutron
14.
Identify part #3
a)
Nucleus
b)
Electron
c)
Proton
d)
Neutron
15.
Identify part #4
a)
Nucleus
b)
Electron
c)
Proton
d)
Neutron
16.
Which scientist is responsible for  "identifying" the ELECTRON CLOUD?
a)
Dalton
b)
JJ Thompson
c)
Rutherford
d)
Bohr
17.
What is the name of the family that lives in Group 1?
a)
Alkali Metal
b)
Alkaline Earth Metal
c)
Transition Metals
d)
Halogens
18.
Identify this family of elements.
a)
Alkali Metals
b)
Halogens
c)
Actinides
d)
Noble Gases
19.
How many shells or energy levels does the yellow row have?
a)
1
b)
2
c)
3
d)
4
20.
How many shells or energy levels does the "hot pinkish purple" row have?
a)
6
b)
7
c)
8
d)
9
21.
How many valence electrons do the Halogens have?
a)
5
b)
6
c)
7
d)
8
22.
How many valence electrons do the Alkaline Earth Metals have?
a)
1
b)
2
c)
3
d)
4
23.
What type elements touch the zigzag line?
a)
Metals
b)
Nonmetals
c)
Metalloids
24.
Open or closed system?
a)
Open
b)
Closed
25.
Chemical or Physical Change?
a)
Chemical
b)
Physical
26.
OPEN or CLOSED system?
a)
OPEN
b)
CLOSED
27.
What element on the periodic table is this?
a)
Hydrogen
b)
Helium
c)
Lithium
d)
Berylium
28.
How many protons are in the nucleus of this Carbon atom?
a)
2
b)
4
c)
6
d)
12
29.
What element is this on the periodic table?
a)
Carbon
b)
Nitrogen
c)
Sodium
d)
Magnesium
30.
How many valence electrons on this model?
a)
2
b)
4
c)
8
d)
14
31.
How many total electrons?
a)
20
b)
40
c)
2
32.
Identify this element.
a)
Sodium
b)
Magnesium
c)
Hydrogen
d)
Vanadium
33.
How many different types of atoms are in this formula?
a)
1
b)
2
c)
3
d)
4
34.
How many subscripts are in this formula?
a)
0
b)
1
c)
2
d)
3
35.
How many chlorine atoms are on the product side of the equation?
a)
0
b)
1
c)
2
d)
3
36.
Is the equation BALANCED or NOT?
a)
Balanced
b)
NOT Balanced
37.
Is the equation BALANCED or NOT?
a)
Balanced
b)
NOT Balanced
38.
How many Hydrogen atoms are on the REACTANTS side?
a)
1
b)
2
c)
3
d)
4
39.
How many Hydrogen atoms are on the PRODUCTS side?
a)
1
b)
2
c)
3
d)
4
40.
Is the equation BALANCED or NOT??
a)
Balanced
b)
NOT Balanced
41.
Is the equation BALANCED or NOT?
a)
Balanced
b)
NOT Balanced
42.
How many Hydrogen atoms are on the Reactants side?
a)
3
b)
2
c)
5
d)
6
43.
Is this equation BALANCED or NOT?
a)
Balanced
b)
NOT Balanced
44.
How many Sulfur atoms are on the REACTANTS side?
a)
1
b)
2
c)
3
d)
4
45.
How many Hydrogen atoms are on the REACTANTS side?
a)
3
b)
2
c)
5
d)
6
46.

Which observation is a sign of a chemical change?

a)

a rotting potato gives off a bad smell

b)

a melting block of ice leaves a large puddle

c)

a cloud changes shape when blown by wind

d)

a statue breaks when it falls onto the floor

47.

Which of the following is true about a physical change?

a)

there is an unexpected oder

b)

there is an unexpected color change

c)

heat, light, and sound are produced

d)

it can usually be reversed

48.

A child is upset because his ice cream is melting. He thinks he now has less dessert. Which of the following explanations correctly states why the child is incorrect?

a)

He actually has more, not less, ice cream.

b)

No mass is lost during a change of state.

c)

The mass will increase if he freezes the melted ice cream.

d)

Mass is lost only during certain changes of state, such as freezing.

49.

If an element has an atomic number of 9 and an atomic mass of 19, how many protons does this element have?

a)

9

b)

10

c)

19

d)

20

50.

What is true about a Neutron?

a)

Positive charge and located in the Nucleus

b)

Negative charge and located in the Electron Cloud

c)

No charge/Neutral charge and located in the Nucleus

d)

Negative charge and located in the Nucleus

51.

Who is the "father of the periodic table"?

a)

J. J. Thomas

b)

Niels Bohr

c)

Dmitri Mendeleev

d)

James Chadwick

52.

Periodic table is organized in all ways EXCEPT?

a)

Increasing Atomic Number

b)

Groups

c)

Period

d)

Alphabetical order

53.

The red number in the following equation is known as a:

2Mg + O2 --> 2MgO

a)

coefficient

b)

subscript

c)

yield

d)

product

54.

Which of the following is an example of an endothermic reaction?

a)

cake baking

b)

firework exploding

c)

candle burning

d)

a piece of wood smoldering

55.

Which of the following is not a compound?

a)

HCl

b)

Cl2

c)

NaCl

d)

CO2

56.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
57.
A molecule is
a)
two or more atoms bonded together
b)
one type of atom
c)
smaller than an atom 
d)
an element
58.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
59.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
60.
What is krypton?
a)
element
b)
compound
c)
mixture
61.
Can be found on the periodic table
a)
Element
b)
Compound
c)
MIxture
62.
These can only be separated by chemical means. 
a)
element 
b)
compound 
c)
mixture 
d)
stuff 
63.
These contain only one kind of atom. 
a)
element 
b)
compound 
c)
mixture 
d)
water 
64.
The air is a _________. 
a)
element 
b)
mixture 
c)
compound 
d)
energy 
65.
In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?

a)
stir the powder in the liquid
b)
freeze the mixture
c)
add more powder to the liquid
d)
store the mixture in a dark place
66.

Which letter shows the activation energy

a)

A

b)

B

c)

C

67.

Is this showing an endothermic or an exothermic reaction?

a)

Endothermic

b)

Exothermic

68.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 
a)
Warm
b)
Cold
69.

What type of reaction occurs in a hand warmer?

a)

exothermic

b)

endothermic

70.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
71.
What type of reaction is shown in the photo?
a)
Exothermic
b)
Isothermic
c)
Endothermic
d)
None of the  above
72.

_____ reactions usually feel hot!

a)

endothermic

b)

exothermic

73.

What does catalyst do to a reaction?

a)

Slows down the reaction

b)

Nothing changes

c)

Speeds up the reaction

74.
Breaking down a substance into simpler substances
a)
Displacement
b)
Synthesis
c)
Decomposition
d)
Oxidation
75.
What type of reaction is the equation C + O2 → CO2?
a)
Synthesis Reaction
b)
Decomposition Reaction
c)
Single Displacement Reaction
d)
Double Displacement Reaction
76.
Consider the chemical equation CH4 + 2 O2 → CO2 + 2 H2O. In this equation, CH4 is a
a)
product
b)
reactant
c)
displacement
77.
Consider the equation 4 Fe+3 O2 → 2 Fe2O3 . In this equation, 3 O2 is a
a)
product
b)
reactant
c)
compound
78.
Which generalized equation represents a synthesis reaction?
a)
A + BC → AC+ B
b)
A + B → AB
c)
AB → A + B
79.
Which generalized equation represents a single displacement reaction?
a)
A + BC → AC+ B
b)
A + B → AB
c)
AB → A + B
80.

How many Carbons are present on the reactant side?

a)

1

b)

2

c)

3

d)

4

81.

Some chemical reactions require a substance called a catalyst. The purpose of a catalyst is

a)

to warm up the reaction

b)

to speed up the reaction

c)

to create more reactants

d)

to stop the reaction

82.

Is this chemical equation balanced? Why or why not? Choose the BEST answer.

a)

Yes, the amount of atoms for each element are equal on both the reactant and product side.

b)

No, the carbons are not the same number on both the reactant and product side.

c)

No, neither the carbons or hydrogens are the same amount on both the reactant and product side.

d)

No, none of the elements (carbon, hydrogen, or oxygen) are the same amount on both the reactant and product side.

83.
Increasing the surface area of the reactants will increase the rate of the reaction.
a)
True
b)
False
84.
Increasing the temperature of a reaction will __________ the rate of the reaction.
a)
increase
b)
decrease
85.
In an endothermic reaction, the energy of the products is _________ than the energy of the reactants.
a)
greater
b)
smaller

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