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Welcome! Time to do chemistry. This website does not work on IE, we are working to address this problem.

All questions are geared toward the NYS Regents Chemistry Exam. As such, please refer to your Chemistry Reference Tables as needed.

Matter&Measurement:



Periodic Table + Ionic Formulas:



Things related to moles:



Nuclear Chemistry:



Things related to acids, bases, and solutions:



Gases:



Rates and Equilibrium:



Misc:



Cheating:















A few notes: When dealing with large numbers as an answer, putting something like 602200000000000000000000 is more difficult for you than 6.022e+23, where e+23 is the same as multiplying by 10 raised to the power of 23. For negative exponents just switch the sign.

