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Question : Soft silvery metallic element which ionizes easily when heated or exposed to light and is present in atomic clocks is:

Option 1: Cerium

Option 2: cesium

Option 3: Calcium

Option 4: califonrium


Team Careers360 8th Jan, 2024
Answer (1)
Team Careers360 15th Jan, 2024

Correct Answer: cesium


Solution : The correct optin is - cesium.

Cesium is often used in ultra-precise atomic clocks. Among alkali metals, cesium has the lowest ionization energy and a melting point of 38.4 °C. As a result, it may fully demonstrate the photoelectric effect.

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