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NH3 is a strong bond because it is capable of hydrogen bonding. when it comes to intermolecular forces (dispersion, dipole-dipole, hydrogen bonding, and ion-dipole) hydrogen bonding is one of the strongest. Molecules containing Hydrogen atoms bonded with Flourine(ex-FH), Oxygen(ex-H2O), or Nitrogen(ex-NH3) are capable of hydrogen bonding because they are extremely polar. Even though the Nitrogen and Hydrogen atoms "share" atoms through covalent bonds, the electrons tend to hover closer to Nitrogen. This results in the Hydrogen atoms becoming partially positive in charge while the Nitrogen atom gains a partially negative charge. When a molecule of NH3 comes in contact with another molecule of NH3, the positive (Hydrogen) end of one molecule attracts the negative (Nitrogen) end of the other. This ability of the partially positive Hydrogen atoms to form strong bonds with other polar molecules (IE. Hydrogen Bonding) is why NH3 forms strong bonds.

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14y ago

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