Chemical Valences, the app that besides of being useful to learn the valences will let you look up elements properties like mass, atomic radius or other properties. Also, you'll be able to make mass calculations in a comfortable.The test includes all the elements who have a useful valence. You can select the elements you need in the app, besides of checking your test stats, maybe you'll find out that you need to practice more with some elements.If you already know all the valences maybe you need to use the element properties to keep making formulas and solving problems, that's why the app count with a periodic table where you'll find all the properties of the elements.In the case of having to make calculations with the elements mass, you can use the mass calculator that the app brings in it and choose the elements you want in the quantity you need and you'll see a result in real time.
来自应用汇: Chemical Valences tk.horusgoul.valenciasquimicas?from=spi-desc
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