November 2018 1 21 Report

1. Zapisz co oznaczają symbole i wzory :

a) O, O2, 03, 5O, 3O2, 2O3,

b) H2, O, 5H2O, SO3, 3SO2, 2S

c) 10Zn, 3ZnO, 2CO, CO2, 5C

d) 2N, N2, 5N2, 3NO, 4P, P4


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