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Chem Monster Review Fall 25

Total questions: 105

Worksheet time: 2hrs 9mins

Name
Class
Date
1.
Elements that are in the same ________ have a tendency to have very similar chemical properties due to periodic trends.
a)
group
b)
period
c)
textbook
d)
compound
e)
row
2.
How does a suspension differ from a solution?
a)
A suspension is a heterogeneous mixture whose components can be separated by simple filtration. A solution is a homogeneous mixture which cannot be separated by simple filtration.
b)
A suspension is a heterogeneous mixture consisting of different phases whereas a solution is a homogeneous mixture consisting of a single phase.
c)
Although a solution and suspension are both homogeneous mixtures, only the components of a suspension will separate by spinning the mixture in a centrifuge.
d)
The difference between a suspension and a solution can only be determined by chemical means.
3.
How many meters is 15.5 millimeters?
a)
0.0155 m
b)
15,500 m
c)
1.55 m
d)
0.0000155 m
e)
0.00155 m
4.
How would a chemist classify a swimming pool of water?
a)
homogeneous mixture
b)
heterogeneous mixture
c)
a pure element
d)
a pure compound
e)
depends on how many children have been in it
5.
Identify elements in the same period as magnesium (Mg).
a)
Cl
b)
Ca
c)
Mn
d)
Sr
e)
None of these
6.
Identify elements in the same group as silicon, Si.
a)
C
b)
P
c)
As
d)
B
e)
None of these
7.

How many significant figures does the following number have: 0.002040

(a)  

8.
Which measurement contains 3 sig figs?
a)
200 mL
b)
20.0 mL
c)
0.02 mL
d)
0.020mL
9.

How many sig. fig. are in the number below:
705000

(a)  

10.

Convert the following to standard (decimal) form:

3.475 × 105

(a)  

11.

If I have 0.5800 liters of sweet tea, and I want to perfectly divide it between 3 people, how many liters of tea would each person get? (Make sure your answer has the correct number of significant figures!)

(a)  

12.

Write the answer to problem. Make sure your answer has the correct number of significant digits! 1.206 × 4.7 = ?1.206\ \times\ 4.7\ =\ ?

(a)  

13.
Write 0.037 in scientific notation.
a)
3.7 x 10-2
b)
3.7 x 102
c)
37 x 10-3
d)
37 x 103
14.

Put these numbers in order with the smallest on the left and the largest on the right

a)

2.06 x 10-13

b)

8.742 x 10-2

c)

0.72

d)

1.02 x 105

e)

5,200,000

1)
2)
3)
4)
5)
15.

How many significant figures: 2.500 x 102

a)
1
b)
2
c)
3
d)
4
16.

Match the images with the correct descriptions

a)

1.

Accurate but not Precise

b)

2.

Precise but not Accurate

c)

3.

Accurate and Precise

17.

Put the following metric prefixes in order from smallest (on the left) to largest (on the right)

a)

nano-

b)

micro-

c)

milli-

d)

centi-

e)

deci-

1)
2)
3)
4)
5)
18.

Put the following metric prefixes in order from smallest (on the left) to largest (on the right)

a)

deka-

b)

hecto-

c)

kilo-

d)

mega-

e)

giga-

1)
2)
3)
4)
5)
19.

Match each unit with the thing it measures

a)

Time

1.

Second

b)

Volume

2.

Liter

c)

Mass

3.

Gram

d)

Length

4.

Meter

20.

Match the temperature scales with the correct boiling and freezing points of water

Categorize the following

Boils at 212°

Boils at 100°

Boils at 373

Freezes at 32°

Freezes at 0°

Freezes at 273

Fahrenheit
Celsius
Kelvin
21.

Gold is more dense than water. This means, that when compared to water, gold has more ​ (a)   for the same ​ (b)   .

Choose from the below words
matter
volume
distance
length
22.

This bullseye demonstrates:

a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
23.

Pick the best answer:

What is 360 inches in yards

a)

10 yards

b)

50 yards

c)

36 yards

d)

3 yards

e)

12.2 yards

24.

Pick the best answer:

How many centimeters are equal to 3 feet?

Hint: 2.54 cm = 1 inch

a)

91 cm

b)

30 cm

c)

6.5 cm

d)

652 cm

e)

1,282 cm

25.

Megan just opened a 2 liter bottle of soda. If she pours 300 mL into a glass, how much soda would be left in the glass?

(Assume the bottle was full to start with)

a)

1.7 L

b)

700 mL

c)

1.07 L

d)

She can't do that! There would not be enough soda in the bottle

26.

Amy wants to buy a certain type of ribbon that is sold in 3 meter packages. If she needs 92 decimeters of ribbon for her project, how many packages of ribbon would she need to buy?

(Round to the nearest whole package)

(a)  

27.

A crayon has a mass of 10.0 g and volume of 5.0 mL. What is the density?

a)

30 g/mL

b)

15 g/mL

c)

1.0 g/mL

d)

2.0 g/mL

28.
What is this tool to get volume?
a)
triple beam balance
b)
ruler
c)
thermometer
d)
graduate cylinder
29.

Put the liquids in order from most dense (on the left) to least dense (on the right)?

a)

4 (Green)

b)

3 (Red)

c)

2 (Blue)

d)

1 (Yellow)

1)
2)
3)
4)
30.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
31.

A cube of aluminum has a volume of 9cm3 and weighs 81 g. What is its density?

a)

9 g/ cm3

b)

.11 g/cm3

c)

729 g/cm3

32.

To change from a liquid to a gas, I need to:

a)

add energy

b)

reduce the energy

c)

decrease the volume

d)

increase pressure

33.

Which system is generally used in the U.S. for everyday life?

a)

F.P.S.

b)

Metric

c)

SI

34.

Label the Phases

a)Solid
b)Liquid
c)Gas
1
2
3
1)
2)
3)
35.

In a plasma the electrons are no longer associated with a particular nucleus.

a)

True

b)

False

36.
Physical or Chemical Change?  Iron rusts
a)
Physical Change
b)
Chemical Change
37.
Water freezing into ice is an example of a...
a)
Physical Change
b)
Chemical Change
38.

Which process is an example of a physical change?

a)

Cutting Carrots into pieces and mixed in a salad

b)

A peanut butter and jelly sandwich being digested

c)

Sodium metal and water combining to form a compound and a gas

d)

Sodium metal and chlorine gas combined to form table salt

39.
Which of the following is a Physical Property 
a)
Toxicity
b)
Flammability
c)
Malleability
d)
Reactivity
40.

The picture atoms are all have the same number of protons but different numbers of neutrons. The three pictured are all different ​ (a)  

Choose from the below words
isotopes
elements
ions
41.

Select the Best answer for each blank:

​ (a)   are atoms that have a positive charge and

​ (b)   are atoms that have a negative charge.

​ (c)   atoms don't have a charge (0 charge)

Choose from the below words
Neutral
Cations
Anions
Ions
Isotopes
42.

Based off the image, this atom has

​ ​ (a)   Protons

​ (b)   Neutrons

​ (c)   Electrons

Choose from the below words
3
4
0
1
2
5
6
7
-1
-2
43.

Draw the Standard notation (symbol) of an atom that has 22 Protons

24 Neutrons

and 26 Electrons

44.

If a sample of Neon is 90.5% Neon-20,

0.3% Neon-21,

and 9.2% Neon-22,

what is the average atomic mass of the sample?

(a)  

45.

Fill in the Blanks

​ Atomic Mass = Protons ​ + ​ (a)  

Atomic Number = ​ (b)  

Choose from the below words
Protons
Neutrons
Electrons
Atomic Mass
Atomic Number
10
46.

What is the atomic number of this element?

(a)  

47.

What is the charge of this atom?

a)

-2

b)

-1

c)

0

d)

+1

e)

+2

48.

Which subatomic particle would it be the most helpful to know the number of when trying to figure out what element a particular atom is?

a)

Proton

b)

Neutron

c)

Electron

49.

This model was developed after J.J. Thompson discovered electrons, a particle smaller than an atom. It shows electrons floating freely in a positive region.

a)

The "Plum Pudding Model" of the atom

b)

The "Rutherford Model" of the atom

c)

Democritus's model of the atom

d)

The "Quantum Mechanical Model" of the atom

50.

Bromine-80 has how many neutrons?

a)

41

b)

42

c)

44

d)

45

51.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Planetary Model

d)

Bohr Model

e)

Electron Cloud Model

52.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Planetary Model

d)

Bohr Model

e)

Electron Cloud Model

53.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Planetary Model

d)

Bohr Model

e)

Electron Cloud Model

54.

How many blueberries would be in 1 mole of blueberries?

a)

6.02214076 x 1023

b)

12

c)

600000

d)

you can't use moles to measure blueberries! That would be like using a scale to measure volume.

55.
What is Avogadro's Number? 
a)
6.02 x 1023
b)
- 6.02 1023
c)
6.02 x 1022
d)
6,020,000,000,000
56.

How many of each type of atom are in Al2(SO4)3 ?

​ (a)   Al

​ (b)   S

​ (c)   O

Choose from the below words
1
2
3
4
5
12
10
7
8
57.

How much would 1 gram of the molecule shown weigh?

(round to the nearest whole number and include the units).

(a)  

58.

Convert 5g of carbon to moles

a)

60 mol

b)

17 mol

c)

0.42 mol

d)

7 mol

59.
Which has more molecules?
a)
1 mole H2O
b)
1 mole Al(OH)3
c)
1 mole NaCl
d)
There are all the same
60.
Avogadro's number of representative particles is equal to one_____.
a)
kilogram
b)
gram
c)
kelvin
d)
mole
61.

An atom that has gained or lost electrons in an attempt to become stable/bond with another atom.

a)

Normal/Neutral Atom

b)

Ion

c)

Isotope

62.

A negatively charged ion that has gained electrons to satisfy the octet rule (metals do this)

a)

Anion

b)

Cation

c)

Neutral Atom

d)

Isotope

63.

Atoms of the same element that have different mass than expected because they have a different number of neutrons.

a)

Neutral Atom

b)

Ion

c)

Isotope

d)

Cation

64.

If an atom has 4 protons and 2 electrons it has a charge of ____.

a)

0

b)

-2

c)

+2

d)

+1

65.

How many protons does this isotope of titanium have?

(a)  

66.

What is the mass number of bromine?

a)

35

b)

45

c)

80

d)

79.904

67.

How many neutrons does the isotope of lithium have?

(a)  

68.

How many neutrons does this bromine atom have?

a)

35

b)

45

c)

80

69.

How many neutrons does this Neon atom have?

a)

21

b)

11

c)

10

d)

12

70.

How many electrons does this magnesium ion have?

a)

24

b)

12

c)

10

d)

14

71.

Which isotope has 4 neutrons?

A
B
C
72.
24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
How many protons does this element have?
a)
32
b)
33
c)
34
d)
no way to know
73.
24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
What is the average mass of this element?
a)
74.92 amu
b)
24.97 amu
c)
75.01 amu
d)
74.51 amu
74.

All of the following are found in the nucleus EXCEPT

a)

Proton

b)

Neutron

c)

Electron

d)

There are no exceptions. All are found in the nucleus

75.

What is the identity of the atom?

a)

Aluminum

b)

Silicon

c)

Cobalt

d)

Zirconium

76.

Which of the following is the nuclear symbol for lithium-6

a)
b)
c)
d)
77.

The hyphen notation of an atom of calcium with 20 protons, 20 electrons, and 22 neutrons is

a)

calcium - 20

b)

calcium - 40

c)

calcium - 62

d)

calcium - 42

78.
Ionic bonds form between two ions that have...
a)
ionic compounds
b)
negative charges
c)
positive charges
d)
opposite charges
79.

How do covalent bonds form?

a)

By donating and receiving valence electrons between atoms.

b)

Scientists still aren't sure.

c)

Opposite slight charges attract each atom in the compound.

d)

Sharing valence electrons between atoms

80.

Ionic Bonds

a)

metal with nonmetal

b)

nonmetal with nonmetal

81.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
82.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
83.

Which of the following elements LOSES 2 electrons in order to attain an octet?

a)

lithium

b)

magnesium

c)

helium

d)

sulfur

e)

bromine

84.

Which of the following elements GAINS 3 electrons in order to attain an octet?

a)

nitrogen

b)

lithium

c)

boron

d)

oxygen

e)

fluorine

85.

How many valence electrons does nitrogen have?

(a)  

86.

Oxygen has ​ (a)   valence electrons, which means it has ​ ​ (b)   bonding places to make covalent bonds with other nonmetals

Choose from the below words
1
2
4
6
8
7
3
5
87.

Nitrogen has (a)   valence electrons, which means it has ​ (b)   bonding places to make covalent bonds with other nonmetals

Choose from the below words
5
3
1
2
4
6
8
7
88.

Match the following

a)

Ionic

1.

electrons are transfered

b)

Covalent

2.

Electrons are shared

c)

Compound

3.

Two or more chemically combined elements

89.

Select the ionic compound which would be formed by bonding together Na+ with SO4-2

a)

Na2SO4

b)

NaSO4

c)

SO4Na

d)

NaSO2

e)

SONa

90.

Select the ionic compound which would be formed by bonding together Co3+ with CO3-2

a)

CoCO

b)

CCoO3

c)

Co2(CO3)3

d)

CoCO3

e)

CoCO32

91.

Match the types of elements with the correct bond formation.

a)

metal - nonmetal

1.

ionic bond

b)

metal - metal

2.

metallic bond

c)

nonmetal - nonmetal

3.

covalent bond

92.

Match the following

a)

Proton

1.

Positive

b)

Neutron

2.

Neutral

c)

Electron

3.

Negative

93.
Which element does this structure represent?
a)
Lithium
b)
Helium
c)
Scandium
d)
Fluorine
94.
What part of an atom is involved in chemical bonding?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
95.
The electrons involved in the formation of a chemical bond are called
a)
dipoles
b)
s electrons
c)
Lewis electrons
d)
valence electrons
96.

Put the electron subshells in order from left to right

a)

s

b)

p

c)

d

d)

f

e)

g

1)
2)
3)
4)
5)
97.

Regarding the quantum model of the atom, ​ (a)   are made up of ​ (b)   which are made up of ​ (c)  

Choose from the below words
Orbitals
Shells
Subshells
Electrons
Orbits
98.

How many electrons can each orbital hold?

(a)  

99.

The superscript shows the number of electrons in the subshell.

Which element would you expect to have the following electron configuration:

1s2 2s2 2p4

a)

Carbon

b)

Oxygen

c)

Cobalt

d)

Hydrogen

e)

Nitrogen

100.

The superscript shows the number of electrons in the subshell.

Which element would you expect to have the following electron configuration:

1s2 2s2 2p2

a)

Carbon

b)

Oxygen

c)

Cobalt

d)

Hydrogen

e)

Nitrogen

101.

Sort the Elements by how many valence electrons you would expect them to have

Categorize the following

Hydrogen

Rubidium

Beryllium

Helium

Vanadium

Merdury

Phosphorus

Antimony

Krypton

Neon

1
2
5
8
102.

Sort the Elements by how many valence electrons you would expect them to have

Categorize the following

Lithium

Francium

Neptunium

Osmium

Gallium

Boron

Fluorine

Iodine

1
2
3
7
103.

Hydrogen has ​ (a)   valence electron and can form ​ (b)   covalent bond.

Choose from the below words
1
2
3
4
5
6
7
8
0
104.

Helium has ​ (a)   valence electron and can form ​ (b)   covalent bond.

Choose from the below words
1
2
3
4
5
6
7
8
0
105.

Nitrogen has ​ (a)   valence electron and can form ​ (b)   covalent bond.

Choose from the below words
1
2
3
4
5
6
7
8
0

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