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The d & f Block Elements — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
Question
The transition metal used in X-rays tube is:
✓

Answer

  1. Mo
Explanation:
Among given metals, molybdenum is used in X-rays tube. In medical X-ray tubes the target is usually tungsten or a more crack-resistant alloy of rhenium (5%) and tungsten (95%), but sometimes molybdenum is used for more specialized applications, such as when softer X-rays are needed as in mammography.

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