cesium show photoelectric effect to the max. extent. why?
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Caesium shows photoelectric effect to the maximum extent because among the alkali metals it is the most reactive to photons and can leave it's electron easily because of its large structure.
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Photoelectric effect: The alkali metals emit electrons when radiation strikes on their surfaces. This phenomenon of emission of electrons when electromagnetic radiation strikes against them is called photoelectric effect
Explanation: Alkali metals have low ionisation enthalpies and therefore, the electrons are easily ejected when exposed to light. Among alkali metals, cesium has lowest ionisation enthalpy and hence it can show photoelectric effect to the maximum extent.
Explanation: Alkali metals have low ionisation enthalpies and therefore, the electrons are easily ejected when exposed to light. Among alkali metals, cesium has lowest ionisation enthalpy and hence it can show photoelectric effect to the maximum extent.
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