Question #6cd98

1 Answer
Aug 22, 2016

The angle subtended by two atoms which are bound to the same central atom.

Explanation:

To take methane for an example, clearly, each #/_H-C-H=109.5^@#. For water, the lone pairs on the oxygen atom compress the #/_H-O-H# to approx. #105^@#. For #BCl_3#, a trigonal planar molecule, #/_Cl-B-Cl=120^@#.