Some Basic Concepts of Chemistry - Result Question 39
39. The modern atomic mass unit is based on the mass of ________
(1980,1 M)
Integer Answer Type Questions
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Answer:
Correct Answer: 39. .C-12 isotope
Solution:
- Carbon-12 isotope. According to modern atomic mass unit, one atomic mass unit (amu) is defined as one-twelfth of mass of an atom of $C-12$ isotope, i.e.
$1 amu(u)=\frac{1}{12} \times$ weight of an atom of C-12 isotope.
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