eX
|
periods |
eXX
|
groups; families |
eXXX
|
isotopes |
eXbWo
|
metals |
eXb
|
alkali metals; group 1 elements |
eXc
|
alkaline earth metals; group 2 elements |
eXdWm
|
transition metals |
eXd
|
group 3 elements |
eXe
|
group 4 elements |
eXf
|
group 5 elements |
eXg
|
group 6 elements |
eXh
|
group 7 elements |
eXi
|
group 8 elements |
eXj
|
group 9 elements |
eXk
|
group 10 elements |
eXɭ
|
group 11 elements |
eXm
|
group 12 elements |
eXn
|
boron group; group 13; 3 elements |
eXo
|
carbon group; group 14; 4 elements |
eXpWs
|
nonmetals |
eXp
|
nitrogen group; group 15; 5 elements |
eXq
|
chalcogens; group 6; 16 elements |
eXr
|
halogens; group 17; 7 elements |
eXs
|
noble gases; group 18; 8; 0 elements |
Connected classes: |
eU
|
metals ↞ eXbWo |
fccWf
|
hydrogen halides ↞ eXr |
fco
|
halogen oxoacids ↞ eXr |
ffcWf
|
halides ↞ eXr |
gth
|
halide minerals; halides ↞ eXr |