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WorksheetsUnit 3 Test Review Gerace
Total questions: 36
Worksheet time: 20mins
Name
Class
Date
1.
Contains only one kind of atom.
a)
Element
b)
Compound
2.
Contains two or more atoms chemically combined
a)
Elements
b)
Compounds
c)
Mixtures
3.
The air is a _________.
a)
element
b)
mixture
c)
compound
d)
energy
4.
Which of the following elements is required in an organic compound?
a)
nitrogen
b)
oxygen
c)
carbon
d)
sodium
5.
Pepsi is a . . .
a)
Heterogeneous mixture
b)
homogeneous mixture
c)
Element
d)
Compound
6.
What type of bond has shared electrons and is between two non-metals
a)
ionic bond
b)
valence bond
c)
chemical bond
d)
covalent bond
7.
What type of bond has transferred electrons and is between a non-metal and metal
a)
ionic bond
b)
valence bond
c)
chemical bond
d)
convalent bond
8.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
9.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
10.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
11.
The blue elements are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
12.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
13.
Which of the following is NOT a characteristic of most metals?
a)
Brittle
b)
Good conductor
c)
Ductile
d)
Malleable
14.
Where are the non-metallic elements found in the periodic table?
a)
In the middle
b)
In the top rows
c)
On the left-hand side
d)
On the right-hand side
15.
All of the following would classify an element as a metal except?
a)
Dull
b)
Luster
c)
Malleable
d)
Hard
16.
Unlike non-metals, most metals tend to —
a)
conduct electricity and heat well.
b)
be gases at room temperature.
c)
break easily when hammered.
d)
have less luster and shine.
17.
True or false: Elements in the same group have similar properties to each other
a)
True
b)
False
18.
True or false: Elements in the same period have similar properties to each other
a)
True
b)
False
19.
What group is most likely to bond to group 1 elements?
a)
group 2
b)
group 13
c)
group 15
d)
group 17
20.
What group is most likely to bond to group 13 elements?
a)
group 2
b)
group 13
c)
group 15
d)
group 17
21.
The vertical columns on the periodic table are called and how many are there?
a)
Groups 18
b)
Periods 7
c)
Groups 7
d)
Periods 18
22.
The horizontal rows on the periodic table are called and how many are there?
a)
Groups 18
b)
Periods 7
c)
Groups 7
d)
Periods 18
23.
Which statement is true about all non-metals Except for hydrogen?
a)
right of zig-zag
b)
left of zig-zag
c)
On the zig-zag
24.
What is the small number after a element mean in a chemical formula? ex. H2O
a)
The number of the element before the number
b)
The number of the element after the number
c)
The number of molecules of the compound
d)
It means nothing
25.
What is true for halogens?
a)
have two valence electrons
b)
are the most reactive non-metal
c)
are the least reactive non-metal
d)
are the most reactive metal
26.
What is true for the element Neon in group 18?
a)
have two valence electrons
b)
are the most reactive non-metal
c)
will not bond with other elements
d)
are the most reactive metal
27.
Who first arranged the elements according to atomic mass?
a)
Louis Pasteur
b)
Henry Moseley
c)
John Dalton
d)
Dmitri Mendeleev
28.
Who was responsible for establishing the order in which the elements are presented in the modern periodic table?
a)
Dmitri Mendeleev
b)
Ernest Rutherford
c)
Henry Moseley
d)
Robert Bunsen
29.
What is the atomic number equal to?
a)
Protons
b)
electrons
c)
Neutrons
d)
Protons and Neutrons
30.
What is the atomic mass equal to?
a)
Protons
b)
electrons
c)
Neutrons
d)
Protons and Neutrons
31.
What is an example of a compound?
a)
table salt
b)
salt water
c)
oxygen
d)
air
32.
What is an example of a mixture?
a)
table salt
b)
salt water
c)
oxygen
d)
gold
33.
What is an example of an element?
a)
table salt
b)
salt water
c)
sugar water
d)
gold
34.
Which of these is best classified as a mixture?
a)
iron
b)
carbon dioxide
c)
soil
d)
water
35.
What distinguishes each element from all others, and gives it unique physical and chemical properties?
a)
the number of protons
b)
the number of neutrons
c)
the element's universal origin
d)
the electron configuration
36.
Which compound is organic?
a)
MgSO4
b)
C2H2
c)
NaCl
d)
H2O
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