2. Atoms and the Periodic Table
Lewis Dot Symbols (Simplified)
9:31 minutes
Problem 86
Textbook Question
Textbook QuestionAn unidentified element is found to have an electron configuration by shell of 2 8 18 8 2. To what group and period does this element belong? Is the element a metal or a nonmetal? How many protons does an atom of the element have? What is the name of the element? Write its electron-dot symbol.
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