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WorksheetsUnit 5 Test Review
Total questions: 63
Worksheet time: 35mins
Name
Class
Date
1.
The plums in the plum pudding model represent ...
a)
Protons
b)
Electrons
c)
Neutrons
d)
Quarks
2.
What is the main difference between the electrons in the bohr atomic theory and the modern atomic theory?
a)
In the modern atomic theory the electrons move faster
b)
In the modern atomic theory the electrons move slower
c)
In The modern atomic theory the electrons move in an electron cloud
d)
The modern atomic theory the electrons are in the nucleus
3.
A chemical bond that involves the sharing of nonmetal electrons.
a)
ionic bond
b)
an Ion
c)
covalent bond
d)
a anion
4.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
5.
How are ionic bonds formed?
a)
When atoms share an electron
b)
When opposite charged atoms attract
c)
When one atom takes a proton
d)
When one atom takes a neutron
6.
This is an example of what type of bond?
a)
Ionic
b)
Covalent
c)
Polyatomic
d)
Diatomic
7.
Is Hydrogen considered a metal or a non-metal?
a)
Metal
b)
Non-metal
8.
Where on the periodic table are most of the metals found?
a)
Right Side
b)
Along the Zig Zag Line
c)
Left Side
9.
What do atoms that form positive ions tend to do?
a)
Tend to lose electrons
b)
Tend to lose protons
c)
Tend to gain electrons
d)
Tend to gain protons
10.
What would you name this molecule?
a)
SNa3
b)
H3O
c)
NaCl
d)
H2O
11.
What type of bond creates this compound?
a)
Covalent
b)
Ionic
c)
Triple Ionic
d)
Double ionic
12.
If an atom of nitrogen gains 3 electrons, what is its overall charge?
a)
Neutral - No charge
b)
+3
c)
-3
d)
-1
13.
What is an covalent bond?
a)
A chemical bond that involves sharing electrons
b)
A chemical bond that doesn't involve sharing electrons.
c)
A bond that is sciency
d)
A chemical bond that shares protons
14.
Ionic compounds form because _______ charges attract.
a)
opposite
b)
like
15.
An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is
a)
13
b)
14
c)
27
d)
40
16.
An atom has 5 protons, 7 neutrons and 5 electrons. What is the mass number of the atom?
a)
5
b)
7
c)
2
d)
12
17.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
18.
In a neutral atom, what needs to be true?
a)
The number of protons and neutrons are the same
b)
The number of protons and electrons are the same
c)
The number of neutrons and electrons are the same
d)
None of the above
19.
Atoms of the same element with different numbers of neutrons are called .
a)
metalloids
b)
radioactive
c)
transition elements
d)
isotopes
20.
How did Rutherford discover the nucleus?
a)
Cathode tube ray experiment
b)
Gold Foil Experiment
c)
Planetary Model
d)
Plum Pudding Model
21.
What scientist is best known for his "Plum Pudding" model of the atom?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
22.
John Dalton modeled the atom as a...
a)
tiny solid sphere like a bowling ball
b)
a hollow sphere
c)
a marble in the middle of a stadium
d)
planets orbiting around a star
23.
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.
24.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
25.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
26.
How many rings does Barium Have?
a)
4
b)
5
c)
6
d)
2
27.
How many Valance electrons does Iodine Have?
a)
6
b)
16
c)
7
d)
17
28.
How many dots would you draw around a Nirtrogen atom to show the outermost shell electrons
a)
3
b)
4
c)
5
d)
6
29.
What is the name of the group that never reacts--ever ever they are stable with a full outermost ring!!!
a)
noble gases
b)
transition
c)
halogens
d)
borons
30.
Which letter most likely represents a metalloid?
a)
W
b)
X
c)
y
d)
Z
31.
Which letter most likely represents a metal?
a)
W
b)
X
c)
y
d)
Z
32.
Which letter most likely represents a noble gas?
a)
W
b)
X
c)
y
d)
Z
33.
Berrylium is most likely to bond with Oxygen by...
a)
Getting 6 electrons from oxygen
b)
Getting 2 electrons from oxygen
c)
Losing 2 electrons to oxygent
d)
Losing 6 electrons to oxygen
34.
Its gold has a mass of 197 and an atomic number of 79. How many neutrons does it have?
a)
197
b)
118
c)
79
d)
276
35.
What is true of an atom in group 13 period 4?
a)
It has 3 valence electrons in its N shell
b)
It has 2 valence electrons in its K shell
c)
It has 3 valence electrons in its K shells
d)
It has 3 valence electrons in its L shell
36.
The _________ never change in ions and neutral atoms.
a)
Neutrons
b)
Electrons
c)
Protons
d)
Atomic Mass
37.
What is the ionic compound formed between K and F?
a)
KF
b)
K2F
c)
KF2
d)
K2F2
38.
Which is the correct formula for:
three hydrogen (H)
one sulfur (S)
four oxygen (O)
three hydrogen (H)
one sulfur (S)
four oxygen (O)
a)
H3SO4
b)
HSO4
c)
H4S3O
d)
H2O
39.
How many atoms are there TOTAL in:
H2SO4
H2SO4
a)
6
b)
5
c)
7
d)
3
40.
How many Elements are in the compound C2H8O ?
a)
2
b)
1
c)
3
d)
0
41.
Which element is most similar to Sodium?
a)
Neon
b)
Oxygen
c)
Calcium
d)
Lithium
42.
A certain atom has 20 electrons, 21 neutrons and 20 protons. What is its mass?
a)
20
b)
21
c)
41
d)
61
43.
Which pair of atoms are BOTH metalloids
a)
Sn and Sb
b)
Te and I
c)
Sb and Te
d)
I and Xe
44.
If my charge becomes 2+ what does that say about me?
a)
I am stealing 2 electrons
b)
I am losing 2 electrons
c)
I am in period 2
d)
I have an atomic # of 2
45.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
46.
If I am in group 17 how many valence electrons do I have?
a)
17
b)
1
c)
7
d)
none, I am a noble gase
47.
How do the following two elements bond together?
Na1+ F1-
Na1+ F1-
a)
NaF
b)
NaF3
c)
Na3F
d)
Na1F2
48.
How do the following two elements bond together?
K1+ S2-
K1+ S2-
a)
KS
b)
K8S
c)
K6S3
d)
K2S
49.
What quantities vary between isotopes of an element?
a)
protons, electrons, and atomic mass
b)
protons, electrons, and atomic number
c)
neutrons and electrons
d)
neutrons and atomic mass
50.
What do these isotopes of carbon all have in common?
a)
neutrons & mass number
b)
atomic number and neutrons
c)
atomic number and electrons
d)
protons, atomic number, and mass number
51.
Lithium - 8 has how many neutrons?
a)
3
b)
4
c)
5
d)
6
52.
What shell would the valence electrons be placed in if it is in group 16 period 3?
a)
K
b)
L
c)
M
d)
N
53.
What shell would the valence electrons be placed in if it is in group 2 period 2?
a)
K
b)
L
c)
M
d)
N
54.
What shell would the valence electrons be placed in if it is in group18 period 3?
a)
K
b)
L
c)
M
d)
N
55.
What shell would the valence electrons be placed in if it is in group 1 period 4?
a)
K
b)
L
c)
M
d)
N
56.
How many atoms of Phosphorus are in a 2Sr3(PO4)2
a)
6
b)
4
c)
16
d)
20
57.
How many atoms of Sr are in a 2Sr3(PO4)2
a)
6
b)
4
c)
16
d)
20
58.
How many atoms of Oxygen are in a 2Sr3(PO4)2
a)
6
b)
4
c)
16
d)
20
59.
Who is the father of the atomic theory? (not the periodic table)
a)
Democritus
b)
Dalton
c)
Rutherford
d)
Mendelec
60.
What element is in group 14, period 3?
a)
Carbon
b)
Silicon
c)
Aluminum
d)
Oxygen
61.
What element is in group 6 period 5?
a)
tantalium
b)
molybdenum
c)
technetium
d)
titanium
62.
Where on the periodic table are most of the nonmetals found?
a)
Right Side
b)
Along the Zig Zag Line
c)
Left Side
63.
How many dots would a Lewis Dot structure of Helium have?
a)
1
b)
2
c)
8
d)
0
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