Question

Визначте валентність елементів у сполуках з Оксигеном: 1.CuO 2.Cu 2 O 3. AI 2 O 3 4.NO 5.NO 2 6.N 2 O 3 7.N 2 O 5 8.N 2 O 9.Fe 2 O 3 10.FeO

Answer 1

Ответ:

1.Валентность Cu - 2

1.Валентность Сu - 1

3.валентность Al - 3

4.Валентность N - 2

5. Валентность N - 4

6. Валентность N - 3

7.Валентность N - 5

8 Валентность N - 1

9 Валентность 3

10. Валентность 2

Answer 2

Valence of Elements in Compounds with Oxygen:

1. CuO: Copper (Cu) has a valence of +2 in this compound. 2. Cu2O: Copper (Cu) has a valence of +1 in this compound. 3. Al2O3: Aluminum (Al) has a valence of +3 in this compound. 4. NO: Nitrogen (N) has a valence of +2 in this compound. 5. NO2: Nitrogen (N) has a valence of +4 in this compound. 6. N2O3: Nitrogen (N) has a valence of +3 in this compound. 7. N2O5: Nitrogen (N) has a valence of +5 in this compound. 8. N2O: Nitrogen (N) has a valence of +1 in this compound. 9. Fe2O3: Iron (Fe) has a valence of +3 in this compound. 10. FeO: Iron (Fe) has a valence of +2 in this compound.

Please note that the valence of an element can vary depending on the compound it is present in. The valences mentioned above are specific to the compounds listed.