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This nonmetal element, located in Group 17 and Row 2 of the periodic table, is distinguished by its 7 valence electrons. It readily forms an ion with a -1 charge and is categorized as a gas at room temperature. Highly reactive, this element is nonconductive and may be flammable, with low melting and boiling points. Its small atomic size contributes to its unique properties. Understanding this element is essential for exploring its applications and behavior in chemical reactions.
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Practice Problem for LG #4 Given an element that is located in Group 17 and Row 2, describe everything you can about this element. It’s a nonmetal, has 7 valence e-, forms an ion with a -1 charge, it is a gas at room temperature, it is extremely reactive, nonconductive, possibly flammable, low melting /boiling point and it’s a smaller atom.