Chap9(8)Nov19FA08a

Chap9(8)Nov19FA08a - Chemistry 109 University of Nebraska...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry 109 University of Nebraska FALL 2008 ANNOUNCEMENTS: Masteringchemistry (which starts today at 5:00) on for TWO weeks!!
Background image of page 1

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

View Full Document Right Arrow Icon
There are three classes of exceptions to the octet rule: Molecules with an ________________________ ; There are only a few examples but they are very important. Generally molecules such as ClO 2 , NO, and NO 2 have an odd number of electrons. (compounds with unbonded, unpaired electrons are known as “______ _____________” ) NO 1 N 5 e– 1 O 6 e– Total:11 e Exceptions to the Octet Rule
Background image of page 2
More than an ______ (expanding the ______) Atoms from the 3 rd period on up can accommodate more than an octet. Beyond the 3 rd period, the d -orbitals are low enough in energy to participate in bonding and accept the extra electron density. PCl 5 1 P 5 e– 5 Cl 35 e– Total:40 e Exceptions to the Octet Rule
Background image of page 3

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

View Full Document Right Arrow Icon
Molecules in which one atom has ____ than an octet Common for compounds comprised of elements having fewer than four valence electrons BeH 2 2 H 2 e– 1 Be 2 e– Total: 4 e Be H H Exceptions to the Octet Rule
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 12

Chap9(8)Nov19FA08a - Chemistry 109 University of Nebraska...

This preview shows document pages 1 - 5. Sign up to view the full document.

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