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