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Science TNSB Mentoring
Class 10
Atoms and molecules
Introduction to atom and its mass
5.
Atoms and molecules - II
Question:
3
m.
1
.
Atomic mass unit
Gram atomic mass
Gram molecular mass
is used to measure the mass of an atom.
2
.
The natural abundance of the isotope of \(C-13\) is
\(1.10\)%
\(97.90\)%
\(2.10\)%
\(98.90\)%
.
3
.
\(O-16\)
\(H-1\)
\(C-12\)
isotope is standard for determining the relative atomic mass of an element.
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