A metallic element reacts vigorously with water, evolving hydrogen gas. An excited atom of this element has
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A metallic element reacts vigorously with water, evolving hydrogen gas. An excited atom of this element has its outer electron in the 3p orbital. When this electron drops to its ground state in the 3s orbital, light is emitted of wavelength 589 nm. What is the identity of the element? Explain how you arrived at your answer. What is the color of the emitted light?
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All alkali metals and some alkaline earth metals are known t...View the full answer
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