![[Inferred is_a relation]](https://browser.planteome.org/static/images/is_a.gif "Inferred is_a relation")
BFO:0000002 continuant
BFO:0000001 entity
BFO:0000004 independent continuant
BFO:0000040 material entity
CHEBI:33250 atom
CHEBI:24431 chemical entity
CHEBI:33318 main group element atom
CHEBI:25585 nonmetal atom
CHEBI:33560 p-block element atom
![[Current term]](https://browser.planteome.org/static/images/term_lineage_wedge.png "Current term")
CHEBI:24473 halogen
CHEBI:22927 bromine atom
CHEBI:23116 chlorine atom
CHEBI:24061 fluorine atom
CHEBI:24859 iodine atom
subject![[Reorder by subject]](https://browser.planteome.org/static/images/reorder.gif "Reorder by subject") |
relation |
object |
|---|---|---|
| halogen |
is_a
|
nonmetal atom (CHEBI:25585) |
| halogen |
is_a
|
p-block element atom (CHEBI:33560) |
| subject |
relation |
object |
|---|---|---|
| chlorine atom (CHEBI:23116) |
is_a
|
halogen |
| halogen molecular entity (CHEBI:24471) |
![[BFO:0000051 relation]](https://browser.planteome.org/static/images/BFO:0000051.gif "BFO:0000051 relation") BFO:0000051
|
halogen |
| iodine atom (CHEBI:24859) |
is_a
|
halogen |
| fluorine atom (CHEBI:24061) |
is_a
|
halogen |
| bromine atom (CHEBI:22927) |
is_a
|
halogen |