9. Accounting for expanded valence for 3rd period elements, what is the formal charge at the central silicon atom of SIF5 in its most important resonance structure? А. -2 В. —1 С. О D. +1 Е. +2 10. Which of the following atoms / ions does NOT have eight (8) valence electrons? A. Ne В. О2 С. S D. Mg2+ E. All of these atoms / ions have eight valence electrons 11. Which of the following molecules does NOT have a tetrahedral geometry at its central atom? A. Carbon tetrachloride (CCI4) B. Phosphonium cation (PH4*) C. Tetrafluoroborate anion (BF4') D. Xenon tetrafluoride (XeF4) E. All of these molecules have a tetrahedral geometry at their central atoms 12. Which of the following statements best describes ALL chemical bonds? A chemical bond is... A. ...the line drawn between two atoms in a molecule. B. ..an attractive force between atoms that places them adjacent to each other in space. C. ..the result of gravity between two atoms. D. ...the force between two ions of opposite charge. E. None of the above are correct.

9. Accounting for expanded valence for 3rd period elements, what is the formal charge at the central silicon atom of SIF5 in its most important resonance structure? А. -2 В. —1 С. О D. +1 Е. +2 10. Which of the following atoms / ions does NOT have eight (8) valence electrons? A. Ne В. О2 С. S D. Mg2+ E. All of these atoms / ions have eight valence electrons 11. Which of the following molecules does NOT have a tetrahedral geometry at its central atom? A. Carbon tetrachloride (CCI4) B. Phosphonium cation (PH4*) C. Tetrafluoroborate anion (BF4') D. Xenon tetrafluoride (XeF4) E. All of these molecules have a tetrahedral geometry at their central atoms 12. Which of the following statements best describes ALL chemical bonds? A chemical bond is... A. ...the line drawn between two atoms in a molecule. B. ..an attractive force between atoms that places them adjacent to each other in space. C. ..the result of gravity between two atoms. D. ...the force between two ions of opposite charge. E. None of the above are correct.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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