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WorksheetsPeriodic Table Atoms
Total questions: 24
Worksheet time: 13mins
Name
Class
Date
1.
Which number represents the atomic number of this element?
a)
12.011
b)
6
c)
3
d)
12
2.
Which number represents the atomic mass of this element?
a)
12.011
b)
6
c)
3
d)
C
3.
The "C" on this element square is called the...
a)
atomic number
b)
atomic mass
c)
element name
d)
symbol
4.
The atomic number is also equal to the number of .....
a)
protons & neutrons
b)
neutrons & electrons
c)
protons & electrons
d)
all of the subatomic particles
5.
To find the number of neutrons in an atom you have to ....
a)
Add the protons and electrons
b)
Subtract the atomic number from the atomic mass
c)
Subtract the electrons from the protons
d)
Add the atomic number to the atomic mass
6.
What subatomic particles are located in the electron cloud?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
7.
What subatomic particles are located in the nucleus of an atom?
a)
electrons and neutrons
b)
protons and electrons
c)
electrons and protons
d)
protons and neutrons
8.
What is the smallest unit of all matter?
a)
atom
b)
cell
9.
What is located in the center of an atom?
a)
electron cloud
b)
valence electrons
c)
empty space
d)
nucleus
10.
A positively charged particle that is found in the nucleus of an atom is called a ....
a)
neutron
b)
electron
c)
protron
11.
A particle that is found in the nucleus that has no charge or is neutral is called a ....
a)
proton
b)
neutron
c)
electron
12.
A negatively charged particle that is located in the electron cloud of an atom is called...
a)
proton
b)
neutron
c)
electron
13.
How many protons are in an atom of this element?
a)
5
b)
10
c)
20
d)
20.1797
14.
How many electrons are in an atom of this element?
a)
28
b)
7
c)
14
d)
28.0855
15.
How many neutrons are in an atom of this element?
a)
2
b)
4
c)
4.0026
d)
1
16.
How many neutrons are in at atom of this element?
a)
3
b)
6.941
c)
4
d)
7
17.
What color are the metals on this periodic table?
a)
green
b)
yellow
c)
blue
18.
What color are the metalloids on this periodic table?
a)
blue
b)
yellow
c)
green
19.
What color are the nonmetals on this periodic table?
a)
blue
b)
yellow
c)
green
20.
The element Chromium, symbol Cr, is located in which group and period on the periodic table?
a)
Group 1 / Period 4
b)
Group 4 / Period 6
c)
Group 6 / Period 4
d)
Group 6 / Period 1
21.
The element Hydrogen, symbol H, is located in which group and period on the periodic table?
a)
Group 1 / Period 1
b)
Group 1 / Period 2
c)
Group 1 / Period 18
d)
Group 2 / Period 1
22.
The element Zinc, symbol Zn, is located in which group and period on the periodic table?
a)
Group 4 / Period 12
b)
Group 13 / Period 4
c)
Group 12 / Period 4
d)
Group 12 / Period 12
23.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
24.
The central region of an atom where its neutrons and protons are is its ____
a)
nucleus
b)
electron cloud
c)
core
d)
center
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