Which of the following is longest?
A) 3.0 nm
B) 300 pm
C) 3.0 × 10-4 m
D) 3.0 × 10-10 cm
E) 3.00 × 10-9 km
Correct Answer:
Verified
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A)a mixture
B)a compound
C)an element
D)a molecule
E)an atom
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A)a homogeneous mixture
B)a compound
C)an element
D)a
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A)2.54 cm
B)2.54 m
C)1/(2.54)cm
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A)a mixture
B)only one compound
C)an element
D)a molecule
E)an
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