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Counting Valence Electrons Worksheet - pdf-solutions

Counting Valence Electrons Worksheet - pdf-solutions - 2 8...

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nanni (arn437) – Counting Valence Electrons Worksheet - pdf – CNS – (87654) 1 This print-out should have 1 question. Multiple-choice questions may continue on the next column or page – Fnd all choices before answering. 001 10.0 points Determine the number of the valence electrons in an atom of the element ±. 1. 7 valence electrons correct
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Unformatted text preview: 2. 8 valence electrons 3. 4 valence electrons 4. 3 valence electrons 5. 6 valence electrons 6. 2 valence electrons 7. 5 valence electrons 8. None of these 9. 1 valence electron Explanation: The electron conFguration for ± is [He] 2 s 2 2 p 5 . Counting the outer-shell super-scripts, ± has 7 valence electrons....
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