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Open QuestionAn element's reactivity and other chemical properties are determined by the number of -193views
Open QuestionBased on its location in the periodic table, what can most likely be predicted about sulfur?161views
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Open QuestionFor each element, indicate the number of valence electrons, core electrons, and unpaired electrons in the ground state.323views
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Open QuestionWhat is the name given to the electrons in the highest occupied energy level of an atom?149views
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Open QuestionAn atom has 6 electrons in its outer shell. How many unpaired electrons does it have?185views