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WorksheetsPeriodic Table
Total questions: 20
Worksheet time: 53mins
Name
Class
Date
1.
An atom is made up of protons, neutrons, and electrons. Which is the smallest subatomic particle?
a)
Proton
b)
Neutron
c)
Electron
d)
Idontknowatron
2.
Each row in a periodic table is called a
a)
Group
b)
Period
c)
Row
d)
Column
3.
Each column in the periodic table is called a
a)
period
b)
group
c)
cluster
d)
unit
4.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
5.
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
6.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
7.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
8.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
9.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
10.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
11.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
12.
What element is represented in this Bohr Model?
a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
13.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
14.
What element is this?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
15.
?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
16.
?
a)
Beryllium
b)
Boron
c)
Barium
d)
Bromine
17.
What identifies the element?
a)
Protons
b)
Neutrons
c)
valence electrons
d)
Nucleus
18.
?
a)
Helium
b)
Oxygen
c)
Sodium
d)
Phosphorous
19.
The groups of the period table tell us:
a)
Number of electron shells
b)
Number or electrons
c)
Number of protons
d)
Number of valence electrons
20.
The periods of the periodic table tell us:
a)
Number of valence electrons
b)
Number of electron shells
c)
Number of protons
d)
What's a period?
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