Chem R110 - Elementary Chemistry » Spring 2021 » Quiz 3

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Question #1
Which cannot be broken down chemically or physically into a simpler substance?
A.   salt
B.   copper
C.   seawater
D.   sugar
Question #2
Metalloids are located where on the periodic table?
A.   right side
B.   middle
C.   left side
D.   zig-zag diagonal line
E.   None of these
Question #3
Which of the following is NOT a correct name, symbol combination?
A.   potassium, P
B.   gold, Au
C.   manganese, Mn
D.   calcium, Ca
E.   chromium, Cr
Question #4
What is the symbol of the element that is an alkali metal and is in period 3?
A.   Li
B.   B
C.   Na
D.   Li
Question #5
The halogens are in group ___.
A.   7A
B.   3A
C.   1A
D.   2A
Question #6
Which element forms diatomic molecules?
A.   Chlorine
B.   Calcium
C.   Neon
D.   Sulfur
Question #7
The sulfate group is SO4-2. How many sulfate groups are in the formula Fe2(SO4)3?
A.   4
B.   7
C.   8
D.   3

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