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PRELIM EXAM IN BASIC CHEMISTRY

Total questions: 100

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

The study of the composition, structure, and properties of matter and the changes it undergoes.

a)

Chemistry

b)

Physics

c)

Biology

d)

Social Science

2.

The study of carbon containing compounds.

a)

Organic Chemistry

b)

Inorganic Chemistry

c)

Physical Chemistry

d)

Biochemistry

3.

The study of compounds that do not contain carbon.

a)

Organic Chemistry

b)

Inorganic Chemistry

c)

Biochemistry

d)

Analytical Chemistry

4.

The study of the properties and changes in matter and their relation to energy.

a)

Physical Chemistry

b)

Biochemistry

c)

Organic Chemistry

d)

Inorganic Chemistry

5.

The identification of the components and composition of materials refers to___________________________

a)

Biochemistry

b)

Physical Chemistry

c)

Organic Chemistry

d)

Analytical Chemistry

6.

The study of substances and processes occurring in living things.

a)

Biochemistry

b)

organic Chemistry

c)

inorganic Chemistry

d)

Applied Chemistry

7.

The use of mathematics and computers to understand the principles behind observed chemical behavior and to design and predict the properties of new compounds.

a)

Theoretical Chemistry

b)

Biochemistry

c)

Inorganic Chemistry

d)

Organic Chemistry

8.

Which is NOT part of kinetic theory of matter?

a)

Matter is made of atoms and molecules that are always in motion

b)

The higher the temperature of a substance, the faster its particles move

c)

Matter is important and needs to be studied

d)

At the same temperature, more massive particles move slower than less massive ones

9.

The northern lights are an example of a

a)

liquid

b)

plasma

c)

solid

d)

gas

10.

Temperature measures the

a)

average kinetic energy in a substance

b)

amount of a substance

c)

total kinetic energy in a substance

d)

mass of a substance

11.

Energy is the

a)

average kinetic movement of molecules

b)

lack of motivation

c)

substance your body makes when you sleep

d)

ability to do work

12.

thermal energy measures the

a)

average kinetic energy in a substance

b)

amount of a substance

c)

total kinetic energy in a substance

d)

mass of a substance

13.

Matter is

a)

the smallest unit of a substance that behaves like the substance

b)

the smallest unit of an element that keeps the element's chemical properties

c)

anything that has mass and takes up space

d)

a substance that cannot be broken down into simpler substances by chemical means

14.

How many atoms of CARBON are in dextrose? Here is the formula: C6H12O6

a)

6

b)

12

c)

18

d)

24

15.

A molecule is is

a)

the smallest unit of a substance that behaves like the substance

b)

the smallest unit of an element that keeps the element's chemical properties

c)

anything that has mass and takes up space

d)

a substance that cannot be broken down into simpler substances by chemical means

16.

Which is the chemical symbol for Carbon

a)

O

b)

C

c)

H

d)

N

17.

An atom is

a)

the smallest unit of a substance that behaves like the substance

b)

the smallest unit of an element that keeps the element's chemical properties

c)

anything that has mass and takes up space

d)

a substance that cannot be broken down into simpler substances by chemical means

18.

Which is the chemical symbol for Nitrogen

a)

O

b)

C

c)

H

d)

N

19.

An element is

a)

the smallest unit of a substance that behaves like the substance

b)

the smallest unit of an element that keeps the element's chemical properties

c)

anything that has mass and takes up space

d)

a substance that cannot be broken down into simpler substances by chemical means

20.

How many atoms of Oxygen are in dextrose? Here is the formula: C6H12O6

a)

6

b)

12

c)

18

d)

24

21.

How many atoms of Hydrogen are in dextrose? Here is the formula: C6H12O6

a)

6

b)

12

c)

18

d)

24

22.

Which is the chemical symbol for Hydrogen

a)

O

b)

C

c)

H

d)

N

23.

A salad is a

a)

a heterogeneous mixture

b)

a homogenous mixture

24.

Vinegar is an example of a

a)

a heterogenous mixture

b)

a homogenous mixture

25.

Which chemical formula for indigo is written correctly

a)

C16H10N2O2

b)

C16H10N2O2

c)

C16H10N2O2

d)

C16H10N2O2

26.

5000 m = _ Km

a)

5

b)

50

c)

500

d)

5000

27.

Mm is the symbol for

a)

micrometers

b)

millimeters

c)

meters

d)

megameters

28.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

29.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
30.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
31.
Value representing the number of protons in an element
a)
Atomic Mass
b)
Mass Number
c)
Valence Electrons
d)
Atomic Number
32.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
33.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
34.
Arrangement of elements organized by atomic number
a)
Electron Cloud 
b)
Periodic Table 
c)
Electron Configuration
d)
None of these
35.
The only element with no neutrons in its nucleus.
a)
Oxygen
b)
Helium 
c)
Hydrogen
d)
Lithium
36.

The smallest particle of an element.

a)

Element

b)

Molecule

c)

Atom

37.

What is one way Neutrons are different from electrons?

a)

they both are negative

b)

neutrons have no charge, while electrons have a negative charge

c)

Both are in the nucleus( center of atom)

d)

Electrons are inside nucleus and neutrons are outside the nucleus.

38.

What is the atomic number?

a)

35

b)

18

c)

17

d)

52

39.

How many protons and electrons does this element have?

a)

35

b)

18

c)

17

d)

52

40.

How many neutrons does Chlorine have?

a)

18

b)

17

c)

35

d)

52

41.

What is the atomic mass of Neon?

a)

10

b)

20

c)

30

42.

How many neutrons does calcium have?

a)

20

b)

40

c)

60

d)

0

43.

What is the atomic mass of Arsenic?

a)

33

b)

107

c)

75

44.
What number indicates the nucleus?
a)
1
b)
2
c)
3
d)
4
45.
What number indicates an electron?
a)
1
b)
2
c)
3
d)
4
46.
All matter is made of 
a)
energy 
b)
atoms 
c)
air
d)
chemistry
47.
Referring to the table, what is the relative mass of a proton?
a)
10
b)
1
c)
0.1
d)
0.01
48.

Who invented the Periodic Table?

a)

Mendeleev

b)

Bohr

c)

Lewis

d)

Democritus

49.

As you move left to right on a row or period what happens?

a)

Atomic number increases by 1

b)

Electrons decrease

c)

Number of shells decrease

d)

Nothing

50.

What happens to the number of shells as you move down a group?

a)

They decrease by 1

b)

They increase by 1

c)

Nothing

51.

The first energy shell can hold ______ electrons.

a)

2

b)

8

c)

18

52.

All elements in the same row have the same number of shells.

a)

True

b)

False

c)

Sometimes

53.

Mendeleev's genius was his ability to

a)

predict elements that were not discovered yet

b)

organize elements by their mass

c)

had an element named after himself

d)

organize elements by properties

54.

Valence means......

a)

inside

b)

outside

c)

full

55.

Elements in the same group or column have the same ...

a)

# of valence electrons

b)

# of shells

c)

# of protons

d)

Mass Number

56.

Rows on the periodic table are called ___________.

a)

Periods

b)

Sentences

c)

Fences

57.

Elements in the same group have __________

a)

Similar Properties

b)

Same number of shells

c)

Similar Mass

58.

What do all elements in the same period have?

a)

same number of shells

b)

same number of electrons

c)

belong in the same family

59.
What does the atomic number tell you?
a)
Number of Protons
b)
Number of Neutrons
c)
Sum of protons and neutrons
60.
The modern periodic table of elements is arranged by 
a)
Number of neutrons
b)
State of matter
c)
Atomic number
d)
Atomic Mass
61.
What subatomic particle is found outside of the nucleus?
a)
Isotope
b)
Electron
c)
Neutron
d)
Mass
62.

Use your periodic table to find which element has 5 protons.

a)

Lithium

b)

Calcium

c)

Boron

d)

Neon

63.
a)
12
b)
7
c)
8
d)
14
64.
Elements in the same column of the periodic table always have the same # of _______ as one another.
a)
Protons
b)
Neutrons
c)
Electrons
d)
Valence Electrons
65.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
66.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
67.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
68.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
69.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
70.
Which periodic group has the smallest atomic radius?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Transition metals
71.
Which has the greater EN: 
Cl or Al?
a)
Cl
b)
Al
72.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
73.

Ions are formed when atoms gain or lose ___.

a)

electrons

b)

protons

c)

neutrons

d)

atomic mass

74.

What property is being measured in this diagram?

a)

Density

b)

Ionization Energy

c)

Atomic Radius

d)

Atomic Mass

75.

Which of the following atoms has the greatest atomic radius?

a)

nitrogen

b)

phosphorus

c)

potassium

d)

cesium

76.

If a potassium atom lost one electron, what would be the symbol for that ion?

a)
b)
c)
d)
77.

Which element in period 4 has the highest electronegativity?

a)

potassium

b)

calcium

c)

copper

d)

bromine

78.

Which of these elements in group 1A has the largest atomic radius?

a)

cesium

b)

rubidium

c)

potassium

d)

sodium

79.

The common charge on an atom in group 17 would be....

a)

+1

b)

+7

c)

-7

d)

-1

e)

17

80.
Which of the following will have a lower ionization energy than Scandium (Sc)?
a)
Helium (He)
b)
Titanium (Ti)
c)
Calcium (Ca)
d)
Magnesium (Mg)
81.

Select the element most likely to gain an electron

a)

Bromine

b)

Fluorine

c)

Chlorine

d)

Iodine

82.

Select the element with the largest atomic radius

a)

Potassium

b)

Scandium

c)

Gallium

d)

Arsenic

83.

Select the element most likely to lose an electron

a)

Magnesium

b)

Sulfur

c)

Barium

d)

Oxygen

84.

Select the sequence that correctly orders from smallest to largest atomic radius

a)

Sn, Y, Ru

b)

Cu, Ga, Br

c)

Al, S, Na

d)

F, N, Li

85.

Where on the periodic table can nonmetals be found?

a)

Top

b)

Bottom

c)

Left

d)

Right

86.

Select the group that is the most reactive metals

a)

Transition Metals

b)

Alkali Earth Metals

c)

Alkali Metals

d)

Halogens

87.

Select the element with the highest ionization energy

a)

Sodium

b)

Aluminum

c)

Phosphorous

d)

Chlorine

88.

Select the element Alkali Earth Metal found in Period 4

a)

Calcium

b)

Potassium

c)

Titantium

d)

Krypton

89.

Select the element that is a metalloid

a)

Gallium

b)

Boron

c)

Oxygen

d)

Magnesium

90.

Select the element below that is least reactive

a)

Hydrogen

b)

Chlorine

c)

Lithium

d)

Neon

91.

Select the element with the largest atomic radius

a)

Cesium

b)

Lithium

c)

Hydrogen

d)

Potassium

92.

Select the element with the highest electronegativity

a)

Chlorine

b)

Silicon

c)

Argon

d)

Magnesium

93.

Select the element that has 3 valence electrons

a)

Calcium

b)

Sodium

c)

Aluminum

d)

Sulfur

94.

Select the element that is a nonmetal

a)

Copper

b)

Lead

c)

Hydrogen

d)

Sodium

95.

What element is found in Group 5 period 4?

a)

Zirconium

b)

Magnesium

c)

Strontium

d)

Vanadium

96.

Select the sequence of increasing electronegativity.

a)

Sn, Ag, I

b)

I, Sn, Ag

c)

Ag, Sn, I

d)

Sn, I, Ag

97.

Select all elements that are metals

a)

Thallium

b)

Hydrogen

c)

Sulfur

d)

Argon

e)

Chromium

98.

Select the element with the lowest ionization energy.

a)

Barium

b)

Beryllium

c)

Magnesium

d)

Strontium

99.

What group contains elements with 7 valence electrons

a)

Noble Gasses

b)

Alkali Earth Metals

c)

Halogens

d)

Transition Metals

100.

Which element is most likely to lose an electron?

a)

Zinc

b)

Arsenic

c)

Bromine

d)

Potassium

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