Use APKPure App
Get practicing chemical formulas a old version APK for Android
Practice with chemical formulas and names
Make chemical formulas from ions or atoms and give the right name for the compound. You can also choose to make a formula for a given salt or molecule name.
Making the wrong name or formula triggers a Hint.
What's New in the Latest Version 3.5
Last updated on Mar 5, 2021
Fixed appearance frequency of some atoms
Fixed naming for some molecules (eg: O2 can now be named dioxygen AND oxygen)
Fixed naming in the same way for CH4, NH3, H2O
Fixed naming for atoms like Se and B
Moved nitrogen with covalence 3 to lvl1
Added nitrogen with covalence 2 and 4 in lvl2
Small other fixes
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practicing chemical formulas a
3.5 by ConceptCraft
Mar 5, 2021