Periods and Groups; Valence Electrons; Masses

For this periods, groups, valence electrons and masses worksheet, students are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the valence electrons in 10 atoms, they find the molecular mass of 3 molecules and they answer 8 questions about elements, energy levels of electrons and Rutherford's model.

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9th - 12th
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Short Answer
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Fine Print