asked 147k views
2 votes
Nitrogen has an electronegativity of 3.0, and hydrogen has an electronegativity of 2.1. Which describes the bond between nitrogen and hydrogen?

nonpolar
very polar covalent
ionic
moderately polar covalent

asked
User Bmiller
by
8.4k points

2 Answers

5 votes
Moderately polar covalent because the difference in electronegativity is 0.9 which is slightly above the limit
answered
User Turtles Are Cute
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8.7k points
5 votes

Answer:

Very polar covalent

Step-by-step explanation:

When two nonidentical atoms bond covalently the electrons shared between them is unequal. The atom that attracts the most electrons has a higher electron density, making it partially negative, while the other atom becomes partially positive. This type of bonding is called polar covalent bonding.

The type of bond, polar or non-polar is determined by the electronegativity. Electronegativity measures the likelihood of an atom to draw electrons towards itself, thus calculating the distributed electrons among the bonded atoms. As the electronegativity difference between two bonded elements increases so does the polarity.

answered
User Alan Rowarth
by
8.3k points
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