Determine the oxidation state of the elements using the formulas N₂; CO₂; NaCl; H₂S; K₂S; CaCO₃.
| December 3, 2020 | education
N₂ – the oxidation state of nitrogen is 0;
CO₂ – CO of oxygen is -2, and carbon is +4;
NaCl – CO of chlorine is -1, and sodium is +1;
H₂S – СО of hydrogen is +1, and of sulfur – -2;
K₂S – CO of potassium is +1, and sulfur is -2;
CaCO₃ – CO of oxygen is -2, calcium is +2, and carbon is +4.
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