Covers the symbols of various elements, formulae of elements and compounds and their names; describes elements in terms of symbols and compounds in terms of formulae; chemical equations from world equations and vice-versa; and more.
číst celé
Covers the symbols of various elements, formulae of elements and compounds and their names; describes elements in terms of symbols and compounds in terms of formulae; chemical equations from world equations and vice-versa; and more.
schovat popis
Recenze