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Learn this list of ions. (Also available under Chemist’s Tools > Ions to Learn) Cation: ammonium, NH4+ Anions: nitrate, NO3– acetate, C2H3O2– sulfate, SO42- hydroxide, OH– phosphate, PO43- carbonate, CO32- cyanide, CN– chlorate, ClO3– permanganate, MnO4– chromate, CrO42- dichromate, Cr2O72- Hint: Make flash cards for learning the ions – on one side, write the . . . → Read More: Learn your ions! Let’s go over the density problems worksheet. 4.1 Understanding the construction of a chemical formula Octet rule and valence electrons Writing chemical formulae Download lecture presentation. 3.1 – Physical states of matter 3.2 – Physical and chemical properties 3.3 – Physical and chemical changes 3.4 – Classification of matter 3.5 – Energy Download lecture presentation. |
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MapleTA unavailable on Friday – Assignment 6 is due Saturday, Feb 27 by 11:59 pm All the answers to the worksheets in preparation for next Thursday's test (Feb 25) are posted on the website. Are you keeping up with doing worksheets and trying practice problems? Remember to keep learning the polyatomic ions until you can name them, right the formulas with their correct charges. Hi, Class. Are you enjoying your studies? It's been two weeks since school started. Just a summary of what we've done. |
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