11-9-11 - 229 Chemistry 1A F11 11.9.11 Dr. Shaka Course...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon

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

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

Unformatted text preview: 229 Chemistry 1A F11 11.9.11 Dr. Shaka Course Code 40000 Lewis Structures • Fourth, distribute the remaining electrons around the remaining atoms as lone pairs, making sure never to have more than four pair of electrons around any element in the first short period (B, C, N, O, F). • Fifth, try to satisfy the octet rule for the elements above, and always satisfy the duet rule for H. • If atoms do not satisfy the octet rule, try to make multiple bonds (up to three) to try to achieve an octet. 230 Chemistry 1A F11 11.9.11 Dr. Shaka Course Code 40000 Lewis Structures • Sixth, figure out the formal charge for each atom, and make sure that the formal charges are as small as possible. • Finally, consider using resonance structures for situations in which the molecule has symmetry but one Lewis structure alone does not. • Always double check to make certain that the total charge is correct! • This is simple counting, but on exams I will expect you to be able to count. 231 Chemistry 1A F11 11.9.11 Dr. Shaka Course Code 40000 Lewis Structures • When formulas are quoted in the form AX n you can assume that the...
View Full Document

This note was uploaded on 12/12/2011 for the course CHEM 1A taught by Professor Tobias during the Fall '01 term at UC Irvine.

Page1 / 14

11-9-11 - 229 Chemistry 1A F11 11.9.11 Dr. Shaka Course...

This preview shows document pages 1 - 4. Sign up to view the full document.

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