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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Step 1
The shape of a molecule can be predicted using the VSEPR theory. This theory assumes that the valence electron pairs around the central atom of the molecule will repel each other causing them to arrange themselves symmetrically around the central atom. The resulting 3-D arrangement of these electron pairs will establish the shape of the molecule.
Step 2
Silicon has 4 valence electrons, four unpaired “bonding electrons” and lone pair. Repulsion theory predicts that these 4 e-pairs will end up at the vertices of a tetrahedron (triangular based pyramid).
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