Assertion: electron affinity | /r/HasProperty | measured on atom
Facets:
value: in the gaseous state
type: LOCATION
Source sentences:
text: Electron affinities are measured on atoms in the gaseous state and are very difficult to measure accurately.
text: Electron affinity is measured for atoms and molecules in the gaseous state only, since in the solid or liquid states their energy levels would be changed by contact with other atoms or molecules.