An element X has two isotopes, 2010X and \(^{2...
An element X has two isotopes, 2010X and 2210X,
present in the ratio 1:3. The relative atomic mass of X would be?
20.5
21.0
21.5
22.0
22.5
Correct answer is C
The relative atomic mass will be [(20 * 1) + (3 * 22)] / (4)
(86)/(4) = (43)/(2) = 21.5
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