Tutoring

	ChemPro Chemistry Tutor Quizzes for elements, polyatomic ions, and other topics Videos and tutorials for help in AP, Honors, and Regular Chemistry NOTE: Quizzes only 40 elements and 21 polyatomic ions... not quite the same as our list but a good start
	Khan Academy Excellent video tutorials on chemistry topics

Flashcards for Memorization (Element symbols & Polyatomic ions)

	ChemPro Chemistry Tutor Quizzes for elements, polyatomic ions, and other topics Videos and tutorials for help in AP, Honors, and Regular Chemistry NOTE: Quizzes only 40 elements and 21 polyatomic ions... not quite the same as our list but a good start
	Elements Test 2 "H2" Quiz for element symbols and names NOTE: In the options, you can select which elements are quizzed. You can choose 1-92, which will at least exclude elements 93-118 which are not on the list for memorization. But, it will still ask for other elements that are not on the list.
	iElement & Ion Flip cards for element symbols & polyatomic ions NOTE: Covers all elements instead of the ones on the memorization list. There are additional polyatomic ions as well. For HD, you do NOT need to know cyanate, hydronium, selenate, silicate, thiosulfate, and triiodide.
	Elements - Periodic Table Element Quiz Yet another element symbol game
	Oresome Elements (QRC) Learn element symbols and locations on the periodic table
	Mahjong Chemistry A mahjong game to practice oxidation states & charges of ions
	Chemistry Formula Practice Quiz for polyatomic ions and nomenclature Also for organic functional groups (AP & Organic only)

Periodic Tables

	EMD Periodic Table of Elements Nice, clean, animated periodic table Click the element box to flip the box over for detailed information
	NOVA Elements A full featured periodic table with a lot of video and audio about each element |
	The Chemical Touch Periodic Table Lite A good, simple periodic table

 

Calculators

CMM Molar Mass Calculator Adds up a molar mass by entering only the formula

Visualization

	Molecules 3D A 3D look at molecular modeling
	Gas Laws HD Lite Demos for Boyle's and Charles' Laws

Organic

	Organic Chemistry Nomenclature Quizillator Quizzes on functional groups and organic nomenclature
	Learn Organic Chemistry Nomenclature LITE Good tutorial & quizzes on organic nomenclature
	Organic Chemistry Essentials Good reference & study tips for organic chemistry, NMR, reactions, etc.