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Vocabulary Chap 4.2 & 4.3. energy level electron cloud element (give an example) atomic # (give an example) mass # (give an example) isotope (give an example) ion periodic table v alence electrons.
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Vocabulary Chap 4.2 & 4.3 • energy level • electron cloud • element (give an example) • atomic # (give an example) • mass # (give an example) • isotope (give an example) • ion • periodic table • valence electrons