One of the most fundamental skills in Chemistry is being able to look at a chemical formula and understand quickly what it means. e.g., NaCl, K, SiO2, K2O, SiO2, CO2, Cl2, Ar, Xe, Mg(OH)2, Al2(SO4)3.18H2O, I2(s), HCl(aq) Have a little think about the examples above and try to define what we mean by “formula”. It’s…
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Calculations in Chemistry
Welcome to my blog! I’ve been teaching and tutoring A Level Chemistry and Physics for the last decade. For the ten years before that, I also tutored Chemistry to 1st and 2nd year undergraduates at the University of Cambridge and Queen Mary, University of London. In my years of experience I’ve found that the topic…