October 2018 2 27 Report

Siemka, pomużcie mi z zadaniem z chemi :D

Mam napisać jak sie czyta podane symbole. (że np. O(małe 2) to tlen):

2FeS-

3MgS-

6NH(małe 3)-

3Al(małe 2)S(małe 3)-

4H(małe 2)O(małe 2)-

'z góry dzięki, daje naj.!! :D


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