Question

The Kα line (transition from n=2 to n=1) in an unknown metal sample is observed at...

The Kα line (transition from n=2 to n=1) in an unknown metal sample is observed at a wavelength of 0.0205 nm. Which metal is it?

27Co (Cobalt)

78Pt (Platinum)

94Pu (Plutonium)

47Ag (Silver)
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Answer #1

The required formulas and constants are mentioned.The correct answer is Platinum(Pt)

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