Question Detail
Question
The standard for measuring relative atomic mass is:
Correct Answer
Option C is the correct answer.
Detailed Explanation
The modern standard for atomic mass is the carbon-12 atom. One atom of carbon-12 is assigned a mass of exactly 12 atomic mass units (u), and the masses of all other atoms are relative to this standard.
Hint
This specific isotope of carbon is the international standard for atomic masses.