An atom or group of atoms that have a positive or negative electric charge due to a gain (negative charge) or loss (positive charge) of one or more electrons. Atoms with a positive charge are known as CATIONS; those with a negative charge are ANIONS.
ID
http://purl.bioontology.org/ontology/MESH/D007477
AN
avoid: too general; GEN; ionization chamber: index under RADIOMETRY /instrum
AQL
AD AE AG AI AN BL CF CH CL CS EC HI IM IP ME PD PK PO RE SD ST TO TU UR
cui
C0022023
DC
1
definition
An atom or group of atoms that have a positive or negative electric charge due to a gain (negative charge) or loss (positive charge) of one or more electrons. Atoms with a positive charge are known as CATIONS; those with a negative charge are ANIONS.