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Question:
An element E has three isotopes:
\(28\\14 E\) (abundance 92.21%, atomic mass: 27.977 a.m.u.),
\(29\\14 E\) (abundance 4.70%, atomic mass: 28.976 a.m.u.), and
\(30\\14 E\) (abundance 3.09%, atomic mass: 29.974 a.m.u).
The atomic mass of E is _______ a.m.u.
(rounded off to three decimal places
An element E has three isotopes:
\(28\\14 E\) (abundance 92.21%, atomic mass: 27.977 a.m.u.),
\(29\\14 E\) (abundance 4.70%, atomic mass: 28.976 a.m.u.), and
\(30\\14 E\) (abundance 3.09%, atomic mass: 29.974 a.m.u).
The atomic mass of E is _______ a.m.u.
(rounded off to three decimal places
\(28\\14 E\) (abundance 92.21%, atomic mass: 27.977 a.m.u.),
\(29\\14 E\) (abundance 4.70%, atomic mass: 28.976 a.m.u.), and
\(30\\14 E\) (abundance 3.09%, atomic mass: 29.974 a.m.u).
The atomic mass of E is _______ a.m.u.
(rounded off to three decimal places
Updated On: Oct 1, 2024
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Correct Answer: 28.082 - 28.089
Solution and Explanation
The correct answer is: 28.082 to 28.089 (approx)
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