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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