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WorksheetsAtoms
Total questions: 57
Worksheet time: 1hrs 5mins
Name
Class
Date
1.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
2.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
3.
The first energy level can hold up to how many electrons?
a)
8
b)
4
c)
2
d)
5
4.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
5.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
6.
What is the atomic number for an element with twelve protons?
a)
2
b)
12
c)
24
d)
6
7.
Beryllium has how many protons?
a)
4
b)
9.0122
c)
2
d)
13.0122
8.
The symbol for Carbon is
a)
6
b)
12.011
c)
C
d)
Ca
9.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
10.
"C" is the element symbol for which element?
a)
calcium
b)
carbon
c)
chlorine
d)
cadmium
11.
Hydrogen's atomic number
a)
4
b)
8
c)
1
d)
7
12.
The symbol for Sodium
a)
S
b)
So
c)
Na
d)
Sm
13.
The symbol of Nitrogen
a)
O
b)
N
c)
Ni
d)
Ne
14.
Which particle is not found in the nucleus
a)
proton
b)
neutron
c)
electron
15.
How many protons does an Aluminum atom have? (use the picture to help you)
a)
27
b)
13
c)
14
d)
40
16.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
17.
What is the atomic mass (rounded to the nearest whole number) of this element
a)
196
b)
196.95
c)
197
d)
79
18.
What is the charge of an electron?
a)
positive
b)
negative
c)
neutral
19.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
20.
_______ are the ROWS on the periodic table.
a)
Families
b)
Groups
c)
Periods
d)
Elements
21.
What are elements that are unreactive?
a)
alkali metals
b)
halogens
c)
noble gases
d)
alkaline-earth metals
22.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
23.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
24.
The number at the bottom of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
chemical symbol
d)
element name
25.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
26.
Which is a halogen?
a)
Fluorine
b)
Carbon
c)
Helium
d)
Lithium
27.
Which is a Halogen?
a)
Bromine
b)
Cobalt
c)
Iron
d)
Nickel
28.
How many elements are in the Noble Gas family?
a)
24
b)
13
c)
6
d)
18
29.
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
30.
Identify the shaded portion.
a)
metals
b)
nonmetals
c)
transition metals
d)
metalloids
31.
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
32.
How many atoms of Oxygen are in this compound?
a)
1
b)
2
c)
3
d)
4
33.
How many Valence Electrons does Argon have?
a)
2
b)
3
c)
8
d)
18
34.
a)
2
b)
8
c)
3
d)
13
35.
a)
2
b)
5
c)
10
d)
15
36.
a)
4
b)
6
c)
8
d)
10
37.
How many electrons are in the outer shell of Chlorine (Cl)?
a)
1
b)
3
c)
6
d)
7
38.
The chemical symbol for Helium is
a)
H
b)
Hg
c)
He
d)
O
39.
In which region would the most reactive elements be found?
a)
1
b)
4
c)
5
d)
3
40.
What does C6H12O6 stand for?
a)
Milk
b)
Carbon
c)
Glucose
d)
Candy
41.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
42.
What does the atomic mass tell you?
a)
Basically,the number of electrons and protons
b)
The number of neutrons
c)
Basically, the number of protons and neutrons
d)
The number of protons.
43.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
44.
Most of the mass of an atom is found it its _____.
a)
electron cloud
b)
nucleus
c)
atomic number
d)
empty space
45.
Which is an electron?
a)
A
b)
B
c)
C
46.
What are subatomic particles?
a)
the nucleus
b)
electron cloud
c)
positive charge
d)
electrons, protons, and neutrons
47.
What period is Lead (Pb) in?
a)
6
b)
4
c)
Metals
d)
4A
48.
What are valence electrons?
a)
Any of an atom's electrons
b)
Electrons located on the first energy level
c)
Electrons not attached to any atom
d)
electrons located on the outer energy level
49.
What Element is in period 4, group 5A?
a)
Antimony
b)
Arsenic
c)
Tin
d)
Germanium
50.
Why are halogens so reactive?
a)
They want to get rid of their only valance electron
b)
They only need one more electron
c)
They are non reactive, they have a full shell
51.
Which color on the image of the periodic table corresponds with the noble gases.
a)
red
b)
black
c)
blue
d)
orange
52.
Which type of subatomic particles have the LEAST amount of mass?
a)
protons
b)
electrons
c)
neutrons
d)
nucleus
53.
If an element has 6 protons, 7 neutrons, and 6 electrons, what type of charge does the element have?
a)
positive
b)
negative
c)
neutral
d)
imaginary
54.
One property of most nonmetals is that they are
a)
shiny
b)
poor conductors of electric current
c)
flattened when hit with a hammer
d)
solids a room temperature
55.
Elements in a family or group in the periodic table often share similar properties because...
a)
they look alike.
b)
they are found in the same place on Earth.
c)
they have the same physical state
d)
their atoms have the same number of electrons in their outer energy level
56.
All of the following are characteristics of metals EXCEPT...
a)
shiny.
b)
good conductors.
c)
ductile.
d)
brittle.
57.
T or F: Elements in the column farthest to the right are unreactive.
a)
True
b)
False
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