Which element is from a representative group?
A) Mn
B) Co
C) V
D) S
Correct Answer:
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Q56: The sulfate group is SO4-2.How many sulfate
Q57: Which is not a characteristic of metals?
A)Malleable
B)Good
Q58: Which is a metalloid?
A)N
B)Ni
C)Al
D)Si
Q59: Which is not a diatomic gas?
A)Nitrogen
B)Oxygen
C)Chlorine
D)Bromine
Q60: Which element is brittle and a poor
Q62: Which is not a diatomic gas?
A)F2
B)N2
C)I2
D)Cl2
Q63: Which is best classified as a semiconductor?
A)Diamond
B)Silicon
C)Lead
D)Sodium
Q64: Which is an alkali metal?
A)Calcium
B)Sodium
C)Silicon
D)Fluorine
Q65: Which is an alkaline earth metal?
A)Hydrogen
B)Magnesium
C)Manganese
D)Iodine
Q66: What is the symbol of the element
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