Answer: A molecule of ammonia contains one atom of nitrogen and three atoms of hydrogen and these are linked with polar covalent bonds.
Explanation:
A bond formed by sharing of electrons between two atoms is called a covalent bond.
A covalent bond is always formed between two or more non-metal atoms.
For example, nitrogen and hydrogen are both non-metal atoms. So, when they chemically combine together then sharing of electrons take place which leads to the formation of ammonia.
Also, there is difference in electronegativity value of both nitrogen and hydrogen due to which there is a partial positive charge on hydrogen and partial negative charge on nitrogen atom of ammonia. This means that ammonia is a polar compound.
Hence, bond present in one atom of nitrogen and three atoms of hydrogen in a molecule of ammonia is a polar covalent bond.
Thus, we can conclude that a molecule of ammonia contains one atom of nitrogen and three atoms of hydrogen and these are linked with polar covalent bonds.
A molecule of ammonia contains one atom of nitrogen and three atoms of hydrogen. These are linked with: c. polar covalent bonds
An attraction between two or more atoms, ions or molecules, that results in the formation of a chemical compound, is a chemical bond. The strengths of bonds depending on the type of bond.
Nitrogen is a more Electronegative atom that attracts the electrons towards it, therefore, the polarity takes place. Thus they are polar in ammonia
Based on the information above, C. polar covalent bond is the best answer.
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