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Midterm Review

Total questions: 67

Worksheet time: 3hrs 25mins

Name
Class
Date
1.

Which color on the image of the periodic table corresponds with the halogens

a)

Black

b)

Red

c)

Blue

d)

Orange

2.

Which family of elements does not combine with other elements unless under special conditions in a laboratory?

a)

Halogens

b)

Metalloids

c)

Alkaline Earth Metals

d)

Actinides

e)

Noble Gases

3.

Which color on the image of the periodic table corresponds with the transition metals?

a)

Red

b)

Blue

c)

Black

d)

Orange

e)

Yellow

4.

Which color on the image of the periodic table corresponds with the alkaline earth metals?

a)

blue/green

b)

teal

c)

yellow

d)

dark yellow

5.

What experiment was responsible for discovering the electrons, a negatively charged particle?

a)

Gold-Foil Experiement

b)

Cathode-Ray Tube Experiment

c)

Plum Pudding Model

d)

Quantum Mechanics

6.

Which of the following elements is a noble gas?

a)

Neon

b)

Sodium

c)

Chlorine

d)

Iron

7.
Which two particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Protons and Neutrons
c)
Molecules and Compounds
d)
Neutrons and Electrons
8.

Which subatomic particles make up the mass of an atom?

a)

protons only

b)

protons and neutrons

c)

protons, neutrons and electrons

d)

protons and electrons

9.

Which subatomic particle has No charge?

a)

Protons

b)

Ions

c)

Electrons

d)

Neutrons

10.

The negatively charged particles in an atom

a)

Proton

b)

Electron

c)

Neutron

d)

Electron Cloud

11.
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
12.
Compute the average atomic mass for silicon:
a)
27.977
b)
28.09
c)
28.976
d)
The average mass cannot be determined from provided information.
13.
Which of the following could have 82 neutrons?
a)
W-182
b)
Ta-181
c)
Cs-132
d)
Ba-138
14.
An irregularly shaped piece of gold was lowered into a graduated cylinder holding a volume of water equal to 17 ml. The height of the water rose to 20 ml. If the mass of the gold was 27 g, what was its density?
a)
9 g/mL
b)
10.5 g/mL
c)
6.5 g/mL
d)
8 g/mL
15.
What is the volume of the jade based on the displacement of the water in the graduated cylinder.
a)
50.0mL
b)
10.5mL
c)
60.5mL
d)
110.5mL
16.
Which type of nuclear radiation is being emitted here?
a)
alpha
b)
beta
c)
gamma
d)
none
17.
What particle completes this reaction?
a)
alpha particle
b)
beta particle
c)
gamma particle
d)
neutron
18.

What particle completes this reaction?

a)

42He

b)

0-1 e

c)

00γ

d)

178O

19.

What particle completes this reaction?

a)

42He

b)

0-1 e

c)

00Y

d)

178O

20.
In a correctly written symbol what would be located in the "A" position?
a)
number of neutrons
b)
atomic number
c)
number of electrons 
d)
mass number
21.

Solve this equation.

85209At = ___ + 24He

a)

83205Bi

b)

86209Rn

c)

81207Tl

d)

85208At

22.

Solve this equation for.

614C = ___ + -10e

a)

410Be

b)

714N

c)

210He

d)

613C

23.

You have 100 grams of radioactive C-14. The half life of C-14 is 5730 years.

How many grams are left after 1 half life?

a)

100 grams

b)

25 grams

c)

2 grams

d)

50 grams

24.

If 10 mg of iodine 131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days.

a)

1.25mg

b)

1.25g

c)

10g

d)

10mg

25.

If the half-life of uranium-232 is 70 years, how many half-lives will it take for 10 g of it to be reduced to 1.25 g?

a)

1 half-life

b)

2 half-lives

c)

3 half-lives

d)

4 half-lives

26.

The time it takes for a radioactivity level to drop by a half is is the sample's ___________________.

a)

quarter life

b)

whole life

c)

wonderful life

d)

half life

27.
The atomic number is equal to _.
a)
the number of protons and electrons
b)
the number of neutrons only
c)
the total number of protons and neutrons
d)
the number of protons neutrons and electrons
28.
How many protons does this isotope of titanium have? Hint titanium has an atomic number of 22.
a)
48
b)
22
c)
26
d)
70
29.

What is the mass number of bromine?

a)

35

b)

45

c)

80

d)

79.904

30.

How many neutrons does this bromine atom have?

a)

35

b)

45

c)

80

31.

How many electrons does this magnesium ion have?

a)

24

b)

12

c)

10

d)

14

32.

IN A NEGATIVE ION, THE # OF ELECTRONS _____ # PROTONS 

a)

>

b)

<

c)

=

33.

IN AN ION THE NUMBER OF PROTONS_________ THE NUMBER OF ELECTRONS. 

a)

>

b)

<

c)

=

d)

≠

34.

What is NOT an intensive property?

(Intensive means to stay the same.)

a)

color

b)

Temperature

c)

Mass

d)

luster

35.

Liquid to gas…

a)

Sublimation

b)

Vaporization

c)

Heterogeneous

d)

Solid

36.

A mixture…

a)

Cannot be physically separated into components

b)

Can be separated into components

c)

Sometimes can be separated onto components

d)

Have no components

37.

What is a physical change?

a)

Milk souring

b)

Rust forming

c)

Burning wood

d)

Crushing rocks

38.

Solid to gas…

a)

Vaporization

b)

Sublimation

c)

Filtration

d)

Distillation

39.

What is NOT a chemical change?

a)

Milk souring

b)

Cooking a steak

c)

Rust forming

d)

Boiling water

40.

Which is NOT a physical change?

a)

Water sitting

b)

Carrots on a plate

c)

steak cooking

d)

Chalk breaking

41.

State of matter with a definite shape and volume…

(a)  

42.

Any material consisting of only one type of atom is classified as what?

a)

A compound

b)

An element

c)

A heterogeneous mixture

d)

A homogeneous mixture

43.

Which classification of matter is a pure substance?

a)

Elements

b)

Elements and compounds

c)

Compounds

d)

Elements and mixtures

e)

Mixtures

44.

In a ______ mixture, the material has the same composition throughout.

a)

heterogeneous

b)

homogeneous

45.

_______ can be separated by physical means.

a)

An element

b)

A compound

c)

Pure substances

d)

Mixtures

46.

In a ______ mixture, each substance can be easily distinguished.

a)

heterogeneous

b)

homogeneous

47.

Nickel is an example of ______.

a)

an element

b)

a compound

c)

a homogeneous mixture

d)

a heterogeneous mixture

48.
Which form of matter does not take the shape of its container?
a)
liquid
b)
gas
c)
solid
d)
air
49.
Define a liquid.
a)
Indefinite shape, indefinite volume
b)
Definite shape, definite volume
c)
Found in stars
d)
Definite volume, indefinite shape
50.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
51.

This bullseye demonstrates...

a)

High Accuracy & High Precision

b)

High Accuracy & Low Precision

c)

Low Accuracy & High Precision

d)

Low Accuracy & Low Precision

52.

Describe the accuracy and precision of the image

a)

Very accurate and somewhat precise

b)

Very accurate but not precise at all

c)

Not accurate at all but very precise

d)

not accurate and not very precise

53.

Which best describes the target?

a)

Precise, but not accurate

b)

Accurate but not precise

c)

Precise and accurate

d)

Neither accurate nor precise

54.

Steve used a ruler to measure the length of a cube. He found the cube to be 3 cm. This is an example of a observation.

a)

Quantitative

b)

Qualitative

c)

Neither qualitative nor quantitative

55.

What kind of observation is in the picture?

a)

Quantitative

b)

Qualitative

c)

Neither quantitative nor qualitative

56.

What kind of observation is in the picture?

a)

Quantitative

b)

Qualitative

c)

Neither quantitative nor qualitative

57.

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was placed in the sunlight. She measured the growth of the plant each week for three weeks.

What is the independent variable?

a)

Using the same type of plant

b)

Each plant was placed in a 10 inch pot

c)

The growth of the plant

d)

One plant is in the sunlight and the other is under a box

58.

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was placed in the sunlight. She measured the growth of the plant each week for three weeks.

What is the dependent variable?

a)

Using the same type of plant

b)

Each plant was placed in a 10 inch pot

c)

The growth of the plant

d)

One plant is in the sunlight and the other is under a box

59.
Molly investigated if the age of students caused them to be better drivers. What is the independent variable?
a)
Type of car
b)
Skill of driving
c)
Age of student
60.
The first person to propose a theory about an atom was
a)
Democritus
b)
Rutherford
c)
Dalton
d)
Aristotle
61.
Rutherford's gold foil experiment provided evidence that...
a)
Negative and positive charges are spread evenly throughout the atom.
b)
Alpha particles have a positive charge.
c)
Gold is not a dense as previously thought.
d)
There is a dense positively charged nucleus at the center of an atom.
62.
What scientist is best known for his "Plum Pudding" model of the atom?
a)
J.J. Thomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
63.
Ernst Rutherford discovered which part of the atom through the use of gold foil?
a)
Proton
b)
Neutron
c)
Electron
d)
Orbitals
64.
J.J. Thomson provided evidence that an atom...
a)
is the smallest particle of matter
b)
contains negatively charged particles
c)
has an overall negative charge
d)
has an overall positive charge
65.

What subatomic particle was discovered in the cathode ray tube experiment?

a)

Proton

b)

Neutron

c)

Electron

d)

Nucleus

66.
Isotopes are elements with a different amount of
a)
protons
b)
neutrons
c)
electrons
d)
atoms
67.
an element will always have the same number of 
a)
neutrons
b)
protons
c)
isotopes
d)
atoms

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