test1 - 8. Write Lewis electron dot structures for: GeCl...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry 4510 Test I Short Answer (5 points each) 1. Define atomic radii and describe the periodic trend for this physical characteristic. 2. Predict the shapes of the following molecules or ions: SF 4 , XeF 4 , SO 4 2- 3. Predict the hybridization of the central atom in the following molecules or ions: CH 3 - , SOCl 2 , POCl 3 . 4. What is the coordination number of the cation and anion in the rock salt structure? 5. Calculate the effective nuclear charge on an electron in the 3s orbital for a gas phase atom of magnesium. 6. Predict the point group for the following atoms or ions: N 2 O 4 , SO 2 Cl 2 , PCl 5 7. Find and list all the symmetry elements for the following molecule: (CH 3 ) 2 SiCl 2 You may use drawings to explain the placement of each symmetry operator.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 8. Write Lewis electron dot structures for: GeCl 3-, CO 3 2-, SO 4 2-9. Calculate the formal charge for the central atom in each of the ions in question 8. 10. Can any of the ions in question 8 be drawn using resonance forms? If so, show all possible resonance forms. Discussion Questions (10 points each) 1. List and describe the four quantum numbers. 2. Explain the “breaks” in the graph of first ionization energy shown below. 3. Draw and completely label the Born-Haber cycle for NaCl. 4. Draw and completely label the molecular orbital diagram for HF. 5. Using band theory, explain how a n-type semiconductor works....
View Full Document

This note was uploaded on 11/16/2011 for the course CHEM 3510 taught by Professor Staff during the Fall '10 term at Valdosta State University .

Page1 / 2

test1 - 8. Write Lewis electron dot structures for: GeCl...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online