<p>Specify the coordination geometry around and hybridization of N and B atoms in a 1 : 1 complex of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>B</mi><msub><mi>F</mi><mn>3</mn></msub></math>&nbsp;and&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>N</mi><msub><mi>H</mi><mn>3</mn></msub></math>:</p>