Which of the substances is characterized by a covalent polar bond? 1) NH3 2) CaCl2 3) Li2O 4) N2
| April 27, 2021 | education
A covalent bond is formed in molecules that are composed of non-metallic elements, it is polar when these two non-metals are different:
1) NH3 – covalent polar;
2) CaCl2 – consists of metal and not metal;
3) Li2O – consists of metal and not metal;
4) N2 – covalent not polar.
Answer: a covalent polar bond is characteristic for 1) NH3.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
