October 2018 1 23 Report

Uzupełnij zdania podając wartości pierwiastków chemicznych.

1.Wodór w związkach chemicznych jest_________________

2. Tlen w tlenkach jest_____________________

3.Chlor w chlorkach jest__________

4.Siarka w siarczkach jest_____________

5.Brom w bromkach jest_____________

6.Jod w jodkach jest___________________________

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