May 2022 0 5 Report
3. Podaj wzory sumaryczne związków chemicznych zbudowanych z atomów:

a/ Fe (II) i O (II) b/ Al (III) i O (II)

c/ C (IV) i O (II) d/ Ba (II) i O(II)

e/ N (V) i O (II) f/ Cl (VII) i O (II)

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