ماده فرار
preferred label: volatile @en
type: Concept
related: عنصر فرّار

عنصر شیمیایی
preferred label: chemical element @en
type: Concept
related: عنصر فرّار

عنصر فرّار
related: ماده فرار
related: عنصر شیمیایی
preferred label: volatile element @en
type: Concept