The Net Advance of Physics:
CHEMISTRY:
General:
MIT Open Courseware:
5.111 Principles of Chemical Science
by Catherine Drennan and Elizabeth Vogel Taylor [2008 Fall] Biology emphasis.
5.112 Principles of Chemical Science
by Christopher Cummins and Sylvia Ceyer [2005 Fall] Calculus-based.
5.13 Undergraduate Organic Chemistry II
by Sarah Tabacco and Timothy F. Jamison [2003 Fall]
5.08J / 7.08J Undergraduate Biological Chemistry II
by Joanne Stubbe and Alice Ting [2004 Spring]
5.451 Postgraduate Chemistry of Biomolecules I
by Sarah O'Connor [2005 Fall] Natural product biosynthetic pathways.
5.512 Postgraduate Synthetic Organic Chemistry II
by Rick Danheiser [2005 Spring] Stereoselective synthesis.
General:
WWW Virtual Library: Links for Chemists
[University of Liverpool]
Chembites:
Written by postgraduate students. Summaries of recent research papers in chemistry, in a style meant to be accessible to non-specialists.
Chemistry Hypermedia Project
[Virginia Tech]
Chemical Information Sources / CIIM
[Wikibooks]
Chemistry Teaching Resources
by Knut Irgum and Svante Åberg
Online Chemistry Teaching Resources
(from MastersDegreeOnline.Net)
Resources for Chemistry Educators
by Stephen Lower [Simon Fraser University] Very extensive.
Types:
PHYSICAL CHEMISTRY;
Type: COMPUTATIONAL:
Data-enabled Theoretical Chemistry
by Matthias Rupp et al. [2018/06]
Machine Learning and the Physical Sciences
by Giuseppe Carleo et al. [2019/03]
Type: SURFACE CHEMISTRY:
Chemistry Behind Cleaning
Clear introductory discussion, with many external links. [Busy Bee]
Aspects:
CHEMICAL ELEMENTS;
MOLECULAR PHYSICS;
SPECTROSCOPY;
ArXiv to
THE NET ADVANCE OF PHYSICS