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This tutorial explains how resistance to current flow occurs at the molecular level, and shows ho...

The Wildlife & Wildlands Toolkit is a science-based web resource designed for middle school c...

Web Accessibility for Developers is a technical book aimed primarily at programmers that can lear...

Wordle is a word cloud creator that exports words into word cloud images. It is a tool that teach...

This is an interactive Wolfram demonstration showing basic Lewis structures for 2 - 6 electron domai...

The material is the page on Green Chemistry Educational Resources of the ACS portal. It is a preciou...

This film briefly considers the nature of atoms as an introduction to an educational unit on the hea...

This is a page from the Vision Learning compendium describing the periodic table and providing relev...

A simple discussion of the nature of ionic and covalent bonding is presented for the general chemist...

A library of Chime scripts for organic and inorganic structures sorted by central atom, formu...

This tutorial provides a detailed history of the development of the current theories of atomi...

This is a periodic chart applet. It is easily THE most complete and detailed web based perio...

This item is in two parts. The first part is a text based discussion of the Bohr model of hyd...

This applet generates three-dimensional pictures of spherical harmonics. The user can specify the q...

These are two examples of using the quantum mechanics Hydrogenic Physlets from the Modern...