Chemistry, within reach
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A concept to understand, a test to prepare for, or a game to get lost in. Start with what you need today.
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59 resources
- referenceFree
Interactive periodic table
Look up an element and explore its properties.
- referenceFree
Chemical compounds
Look up formulas and explore familiar compounds.
- referenceFree
Elements in real life
Find the chemistry in objects you already know.
- guideFree
Understand the mole
Make sense of chemistry’s counting unit.
- referenceFree
Mole calculator
Work through conversions between mass and amount.
- practiceFree
Periodic table quiz
Check which element names and symbols you can recall.
- referenceFree
The Element Miss List
Find commonly confused elements and focus your practice.
- practiceFree pH module; paid exam preparation
Chemistry Regents preparation
Start with the free pH module and explore the exam preparation options.
- guideFree, no account
Learn acids, bases & pH
Work through the free lesson and check your understanding.
- Classroom materialsFree
Printable periodic tables
Choose a periodic table PDF for class or study.
- guideFree guide
Help your teen get started
Understand how the games and practice fit into learning chemistry.
- gameFree starter play
Bond Forge
Chemistry-question dots and boxes. Answer right to draw a bond; close boxes to score and go again.