What is the chemical symbol for chromium?
A) C
B) Cr
C) Ch
D) Cm
Correct Answer:
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Q75: A molecule
A)is a charged atom.
B)consists of one
Q76: After a yellow solid is dissolved in
Q77: What is the chemical symbol for iodine?
A)I
B)Id
C)In
D)Io
Q78: A solution is another name for a(n)
A)compound.
B)element.
C)heterogeneous
Q79: How many meters are in 10.0 cm?
A)0.0100
B)0.100
C)1.00
D)1,000
Q81: Most molecules have dimensions in the nanometer
Q82: The prefix centi means _.
A)10⁻³
B)10⁻²
C)10⁻¹
D)10²
Q83: The prefix giga means _.
A)1,000
B)1,000,000,000,000
C)1,000,000
D)1,000,000,000
Q84: The prefix nano means _.
A)a billion
B)one-millionth
C)one-billionth
D)a million
Q85: The prefix nano means _.
A)10³
B)10⁻⁹
C)10⁶
D)10⁹
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