This Editorial Guide is used for Education Purposes Only. It is used in the Authoring Courses and Certifications. It is based on the January 2026 Editorial Guide.
The following defining attributes correspond to the Substance Attribute Summary table.
Has disposition
This attribute enables the creation of an association between a substance concept and a disposition. A disposition is defined as a behavior that a substance will exhibit or participate in, given the appropriate context.
Is modification of
This attribute indicates that the concept is a structural modification of another concept, and that the substance's intrinsic physicochemical properties remain unchanged.