Many metals like zinc, potassium, caesium, rubidium lose electrons when exposed to light. This phenomenon is called ________
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Photoelectric effect is the phenomenon.
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The alkali metals have only one valence electron in their highest-energy orbitals (ns1). ... The valence electron is easily lost, forming an ion with a 1+ charge. ... 181ºC, sodium at 98ºC, potassium at 63ºC, rubidium at 39ºC, and cesium at 28ºC. ... Hydrogen can form bonds to many other elements, such as nitrogen
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