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