WorksheetsPeriodic Table
Total questions: 23
Worksheet time: 12mins
Name
Class
Date
1.
Which element is similar to Li?
a)
Be
b)
K
c)
Fe
d)
I
2.
Which element is similar to Mg?
a)
Ca
b)
B
c)
O
d)
Cl
3.
Which element is similar to B?
a)
C
b)
Al
c)
Cl
d)
Na
4.
Which element is similar to F?
a)
Ne
b)
Cl
c)
O
d)
Ca
5.
Which element is similar to He?
a)
H
b)
Ar
c)
Au
d)
Hg
6.
Which element is the least reactive?
a)
Li
b)
Ne
c)
B
d)
C
7.
Which element is the least reactive?
a)
Mg
b)
Na
c)
C
d)
S
8.
An atom is made up of protons, neutrons, and electrons. Which is the smallest subatomic particle?
a)
Proton
b)
Neutron
c)
Electron
d)
Idontknowatron
9.
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.
10.
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
11.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
12.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
13.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
14.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
15.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
16.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
17.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
18.
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
19.
What element is this?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
20.
?
a)
Beryllium
b)
Boron
c)
Barium
d)
Bromine
21.
What identifies the element?
a)
Protons
b)
Neutrons
c)
valence electrons
d)
Nucleus
22.
?
a)
Helium
b)
Oxygen
c)
Sodium
d)
Phosphorous
23.
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
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