>>16730752 All known life also utilizes inorganic compounds (no C) in their essential life biology and chemistry functions. Additionally, "organic" compounds can be created completely naturally through inorganic non-biological processes.
>>16732383 In astrophysics nomenclature, any element heavier than helium is a metal. "Metal" here essentially meaning the element had to have originated from within a star rather than being a primordial element in the early universe.