ACD/Name

Appendix

R-9.3 "a" Prefixes Used in Replacement Nomenclature

Table 33 "a" Prefixes used in replacement nomenclature.

These are listed below in decreasing order of priority following each column downward in turn.

Element "a" prefix Element "a" prefix
F fluora W tungsta
Cl chlora V vanada
Br broma Nb nioba
I ioda Ta tantala
At astata Ti titana
O oxa Zr zircona
S thia Hf hafna
Se selena Sc scanda
Te tellura Y yttra
Po polona La lanthana
N aza Ce cera
P phospha Pr praseodyma
As arsa Nd neodyma
Sb stiba Pm prometha
Bi bisma Sm samara
C carba Eu europa
Si sila Gd gadolina
Ge germa Tb terba
Sn stanna Dy dysprosa
Pb plumba Ho holma
B bora Er erba
Al alumina Tm thula
Ga galla Yb ytterba
In inda Lu luteta
Tl thalla Ac actina
Zn zinca Th thora
Cd cadma Pa protactina
Hg mercura U urana
Cu cupra Np neptuna
Ag argenta Pu plutona
Au aura Am america
Ni nickela Cm cura
Pd pallada Bk berkela
Pt platina Cf californa
Co cobalta Es einsteina
Rh rhoda Fm ferma
Ir irida Md mendeleva
Fe ferra No nobela
Ru ruthena Lr lawrenca
Os osma Be berylla
Mn mangana Mg magnesa
Tc techneta Ca calca
Re rhena Sr stronta
Cr chroma Ba bara
Mo molybda Ra rada

See Also:
R-9.0 Introduction
R-9.1 Trivial and semisystematic names retained for naming organic compounds
R-9.2 Bridge Names

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This HTML reproduction is as close as possible to the published version [see IUPAC, Commission on Nomenclature of Organic Chemistry. A Guide to IUPAC Nomenclature of Organic Compounds (Recommendations 1993), 1993, Blackwell Scientific publications, Copyright 1993 IUPAC]. If you need to cite these rules please quote this reference as their source.

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