{"id":"S85009318","label":"Atomic mass","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85009318","normalized_label":"atomic mass","broader":["http://id.loc.gov/authorities/subjects/sh85023027","http://id.loc.gov/authorities/subjects/sh85081853","http://id.loc.gov/authorities/subjects/sh85082249","http://id.loc.gov/authorities/subjects/sh85093024"],"aliases":["Mass (Chemistry)","Mass (Nuclear physics)","Nuclear masses"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85009318","provider":"lcsh","revision":"72e4abbd19d012be","taxonomy_revision":"f050b5d4780b1289","title":"Atomic mass","url":"/topics/S85009318","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513999349428930112","address_version":"morton4x16-v1","coordinates":[0,20,17550,38912],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}