Which of these substances has an ionic bond? 1) HCl 2) O2 3) KCl 4) CO2
| August 12, 2021 | education
In binary compounds, the ionic bond occurs when there is a strong difference in the electronegativity of the elements, as a rule, this is a “metal-non-metal” bond.
1) HCl – covalent polar bond;
2) О2 – covalent non-polar bond;
3) КСl – ionic bond;
4) CO2 – covalent polar bond.
Answer: 3) КСl
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