The number of nonmetallic atoms in Al2(SO3) 3 is
A) 5
B) 7
C) 12
D) 14
Correct Answer:
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Q22: If an element is a metal,one would
Q23: How many atoms of oxygen are indicated
Q24: The charge of a cation is
A)positive.
B)negative.
C)neutral.
Q25: The charge of an anion is
A)positive.
B)negative.
C)neutral.
Q26: Which is a compound?
A)Air
B)Lead
C)Water
D)Iron
Q28: Which represents an element?
A)CO
B)NI
C)N2
D)OS
Q29: A distinct substance composed of two or
Q30: Co is the symbol for
A)Copper
B)Carbon
C)Cobalt
D)Carbon monoxide
Q31: Which would you classify as a semiconductor?
A)Diamond
B)Silicon
C)Lead
D)Copper
Q32: How many different elements are present in
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