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Open QuestionAn element's reactivity and other chemical properties are determined by the number of -244views
Open QuestionBased on its location in the periodic table, what can most likely be predicted about sulfur?222views
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Open QuestionFor each element, indicate the number of valence electrons, core electrons, and unpaired electrons in the ground state.393views
Open QuestionWhich part of the atom determines how an element interacts in a chemical reaction?253views
Open QuestionWhat is the name given to the electrons in the highest occupied energy level of an atom?206views
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Open QuestionWhat is the total number of electrons an atom of hydrogen can have in its valence shell?196views
Open QuestionAn atom has 6 electrons in its outer shell. How many unpaired electrons does it have?250views