Question Detail

CHM 101 CHM 101 Past Questions Objective Question
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Question

Which of these best defines relative atomic mass?
Options
A The mass of one atom in grams
B The mass of an atom compared to an electron
C The weighted average mass of the isotopes of an element relative to 1/12 of a carbon-12 atom
Correct Answer
D The exact number of neutrons in the nucleus
Correct Answer

Option C is the correct answer.

Detailed Explanation

Relative atomic mass is a dimensionless quantity. It is the weighted average of the masses of an element's naturally occurring isotopes, compared to 1/12th the mass of an atom of carbon-12.

Hint

It's an average value on a scale where one specific atom is the standard.

Question Info

Course: CHM 101
Topic: CHM 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 385 of 1872
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