What are the favored geometrical arrangements for abn molecules for which the a atom has 2?

I believe that the answer to the question provided above is that the favored geometrical arrangements for abn molecules for which the a atom has 2 is in a triangular form.
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Where is the graph ?

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.