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The HNH bond angle in ammonia is ______. 100° 107° 109.5° 129°

User Petrocket
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The best answer is 107 degrees. The nitrogen atom in ammonia is surrounded by three bonding pairs and one lone pair of electrons giving a shape of a tetrahedron. The bond angle is 107 degrees which is less than the tetrahedral bond angle.
User Bernatfortet
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