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a model of a magnesium ion is represented. the rings represent energy levels and the dots
represent electrons that reside in those levels.
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warren, nye
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Summarize possible ways in which phases of matter could combine to form a solution.

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

What causes the appearance of lines in a emission spectrum