MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryPeriodic PropertiesModern Periodic Table
In 1913, Henry Moseley observed regularity in the characteries…A…of the elements. Here, ‘A’ refers to
A.ultraviolet spectra
B.X-ray spectra✓ Correct
C.infrared spectra
D.visible spectra
Explanation
In 1993, Henry Moseley observed regularities in the characteristic X-ray spectra of the elements.
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