What is the molecular formula for pentane?
A) C2H8
B) C3H6
C) C4H8
D) C5H12
E) C5H10
Correct Answer:
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Q182: A certain mass of carbon reacts with
Q187: What is the molecular formula for 1-hexanol?
A)C6H13O
B)C6H14O
C)C6H15O
D)C7H14O
E)C7H15O
Q195: In the symbol below, x = _.
Q199: An atom of 14C contains _ electrons.
A)14
B)20
C)8
D)10
E)6
Q200: What is the molecular formula for heptane?
A)C6H12
B)C6H14
C)C7H14
D)C7H16
E)C7H18
Q204: The element X has three naturally occurring
Q205: The element chlorine is in a group
Q206: Which pair of elements would you expect
Q207: How many protons are there in one
Q209: If a iron atom loses 2 electrons
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