September 2018 1 440 Report

Odczytaj zapisy !

3N , 2 ZnS, 2 N2 , 2 Fe, 5 H2O , 4Cl, 4 Cl 2O

Podaj rodzaj i liczbe atomow w czasteczkach

a)4 Cl2,

b)3P4

c)5K20

d)2Cl2O5

e)H2SO4


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