Question

Помогите( Визначити валентність атомів елементів у сполуках 1.MgO, CuO, FeO, K2O, H20, NO2 2.Li3N, N2O5, PH3, Cu2 O, CuCI2, FeCI2, CrO3 3.N2O3, AICI3, CI2, O7, AIF3, AI2S3, PH3, CO2

Answer 1

Ответ:

1)

Mg-2 O-2

Cu-2 O-2

Fe-2 O-2

K-1 O-2

H-1 O-2

N-4 O-2

2)

Li-1 N-3

N-5 O-2

P-3 H-1

Cu-1 O-2

Cu-2 Cl-1

Fe-2 Cl-1

Cr-6 O-2

3)

N-6 O-2

Al-3 Cl-1

Cl-2

O-2

Al-3 F-1

Al-3 S-2

P-3 H-1

C-4 O-2

Объяснение:

с тебя лучший ответ <З

Answer 2

Ответ:валентность атомов равна их окислениокислению

Объяснение:

Answer 3

Valence of Atoms in Compounds

The valence of atoms in compounds refers to the number of electrons an atom can gain, lose, or share to achieve a stable electron configuration. The valence of an atom determines its ability to form chemical bonds with other atoms.

Here is the valence of atoms in the given compounds:

1. MgO (Magnesium Oxide): - Magnesium (Mg) has a valence of +2 [[1]]. - Oxygen (O) has a valence of -2 [[2]].

2. CuO (Copper(II) Oxide): - Copper (Cu) has a valence of +2 [[3]]. - Oxygen (O) has a valence of -2 [[2]].

3. FeO (Iron(II) Oxide): - Iron (Fe) has a valence of +2 [[4]]. - Oxygen (O) has a valence of -2 [[2]].

4. K2O (Potassium Oxide): - Potassium (K) has a valence of +1 [[5]]. - Oxygen (O) has a valence of -2 [[2]].

5. H2O (Water): - Hydrogen (H) has a valence of +1 [[6]]. - Oxygen (O) has a valence of -2 [[2]].

6. NO2 (Nitrogen Dioxide): - Nitrogen (N) has a valence of +4 [[7]]. - Oxygen (O) has a valence of -2 [[2]].

7. Li3N (Lithium Nitride): - Lithium (Li) has a valence of +1 [[8]]. - Nitrogen (N) has a valence of -3 [[9]].

8. N2O5 (Dinitrogen Pentoxide): - Nitrogen (N) has a valence of +5 [[10]]. - Oxygen (O) has a valence of -2 [[2]].

9. PH3 (Phosphine): - Phosphorus (P) has a valence of +3 [[11]]. - Hydrogen (H) has a valence of +1 [[6]].

10. Cu2O (Copper(I) Oxide): - Copper (Cu) has a valence of +1 [[12]]. - Oxygen (O) has a valence of -2 [[2]].

11. CuCl2 (Copper(II) Chloride): - Copper (Cu) has a valence of +2 [[3]]. - Chlorine (Cl) has a valence of -1 [[13]].

12. FeCl2 (Iron(II) Chloride): - Iron (Fe) has a valence of +2 [[4]]. - Chlorine (Cl) has a valence of -1 [[13]].

13. CrO3 (Chromium(VI) Oxide): - Chromium (Cr) has a valence of +6 [[14]]. - Oxygen (O) has a valence of -2 [[2]].

14. N2O3 (Dinitrogen Trioxide): - Nitrogen (N) has a valence of +3 [[10]]. - Oxygen (O) has a valence of -2 [[2]].

15. AlCl3 (Aluminum Chloride): - Aluminum (Al) has a valence of +3 [[15]]. - Chlorine (Cl) has a valence of -1 [[13]].

16. Cl2 (Chlorine): - Chlorine (Cl) has a valence of 0 [[16]].

17. O7 (Heptaoxygen): - Oxygen (O) has a valence of -2 [[2]].

18. AlF3 (Aluminum Fluoride): - Aluminum (Al) has a valence of +3 [[15]]. - Fluorine (F) has a valence of -1 [[17]].

19. Al2S3 (Aluminum Sulfide): - Aluminum (Al) has a valence of +3 [[15]]. - Sulfur (S) has a valence of -2 [[18]].

20. CO2 (Carbon Dioxide): - Carbon (C) has a valence of +4 [[19]]. - Oxygen (O) has a valence of -2 [[2]].

Please note that the valence of atoms can vary depending on the specific compound and its oxidation state. The valence values provided here are general and may not apply to all compounds containing the same elements.

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