Which Noble Gas is used in bacterial lamps?
Correct answer: A. Xenon
- A. Xenon
- B. Radon
- C. Argon
- D. Krypton
Explanation
Explanation:Xenon is used in bacterial lamps, also known as excimer lamps, which are used to disinfect air and surfaces in hospitals and other environments. Radon is a radioactive noble gas and is not used in bacterial lamps. Argon is not typically used in bacterial lamps but is used in other applications such as welding and lighting. Krypton is not typically used in bacterial lamps but is used in other applications such as lighting and lasers.
This question appeared on the UHS MDCAT 2009 paper, which you can sit online with every answer explained.
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Periodic properties arise from electron configuration and effective nuclear charge, producing trends in atomic and ionic radius, ionization energy, electron affinity, electronegativity, metallic character and reactivity. Comparisons run across periods and down groups, with attention to common exceptions. The topic also relates these trends to the behavior of s-block and p-block elements.
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