Question Detail

CHM 101 Errors and Stoichiometry Objective Question
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Question

What is the standard element used for measuring atomic masses?
Options
A Hydrogen-1
B Oxygen-16
C Carbon-12 (¹²C)
Correct Answer
D Nitrogen-14
Correct Answer

Option C is the correct answer.

Detailed Explanation

Carbon-12 (¹²C) is the standard and is assigned a mass of exactly 12 atomic mass units. This provides the standard for measuring the atomic mass of other elements.

Hint

The notes identify this isotope as the standard.

Question Info

Course: CHM 101
Topic: Errors and Stoichiometry
Type: Objective
Difficulty: Not specified
Question 579 of 1872
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