A long, long time ago there were a bunch of elements that no one could figure out how to put into a table that made any sense. One thought was to put them into triangular groups, or triads. …

You will see this in class Thursday, but you can see it via youtube also. You don’t need to “know” the chem, or even what type of reaction this is, just enjoy the amazing coldness produced by this…

After grading for a few hours, it came to me that there are some very important ideas that are not in all of you heads, where they belong. It didn’t fit nice with the website software, so I…

It’s all about the MOLE MATH, the SHARK, and more ISLANDS to visit. Or, it’s about the balanced chemical equation, the Law of Conservation of Matter, and mathematics. And you, of course. This is ALL REVIEW, but connects…

This lab is worth 80 lab minutes of a required 1200 to help qualify you for the Regents in June.  That means this alone is 6.7% of your whole total for the year.  Since the answers are in…

Many students are not paying sufficient attention to class, or reading the BASICS, and are copying junk from the internet.  Some junk, like the spdf electron configurations are good chem, but they are copied, not taught. We do…

No notes, no math, just watch, laugh, and even see how to proved to your family in the kitchen that gases exist and phases changes happen and have importance. Enjoy, please watch this before you begin phases chemistry…

With the first lab reports there will be a lot of mistakes.  That’s okay.  Learn from your errors, correct them if necessary, and don’t make the same mistake again next time. I point out lots of boo-boos, with…

Please know that I know that you know that I know that you can’t really do this lab report because you don’t know nearly enough chemistry yet. Sometimes in movies they show you the last scene, then cut…