The shape of a molecule is trigonal planar. how many electron domains around the central atom does this molecule most likely have?

There are three electron domains around the central atom. In a trigonal planar geometry, the central atoms is bonded to three other atoms or groups.

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it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter  

answer carbon and three oxygen atoms;