ILC 1 expanded class e

      e    atoms 

e	atoms, chemical elements  [atomic physics]  « d
e4  [an]	isotope, atomic mass
e5  [:]	with component
e5a	nucleus
e5b	level 1 orbital
e5c	level 2 orbital
e5d	level 3 orbital
e5e	level 4 orbital
e7  [ann]	with electronegativity in Pauling scale
e84  [an]	weighing atomic weight
e9  [an]	charge, ionization, ion
e9a	negative charge
e9n	positive charge
eU  [eXbWo]	metals
eX  [:]	group, family
eXb	alkali metals, of group 1
eXc	alkaline earth metals, of group 2
eXn	boron group, group 13, 3
eXo	carbon group, group 14, 4
eXp	nitrogen group, group 15, 5
eXq	chalcogens, group 6, 16
eXr	halogens, group 17, 7
eXs	noble gases, group 18, 8, 0
eb	period 1 elements, with one electron level
ebb	hydrogen, H
ebs	helium, He
ec	period 2 elements, with two electron levels
ecb	lythium, Li
ecc	beryllium, Be
ecn	boron, B
eco	carbon, C
ecp	nitrogen, N
ecq	oxygen, O
ecr	fluorine, F
ecs	neon, Ne
ed	period 3 elements, with three electron levels
edb	sodium, Na
edc	magnesium, Mg
edn	aluminium, aluminum, Al
edo	silicon, Si
edp	phosphorus, P
edq	sulfur, sulphur, S
edr	chlorine, Cl
ee	period 4 elements, with four electron levels
eeb	potassium, K
eec	calcium, Ca
eei	iron, Fe
eel	copper, Cu
ef	period 5 elements, with five electron levels
efl	silver, Ag
efo	tin, Sn
efp	lead, P
eg	period 6 elements, with six electron levels
egd	lanthanoids
egm	gold, Au
eh	period 7 elements, with seven electron levels
ehd	actinoids
f	molecules, chemical substances  [chemistry, molecular physics]  « e
f4  [e]	composed of atom
f9  [e9]	ionization
fbq  [e]	oxides
g54  [e]	composed of element
h44  [e]	composed of element
j44  [e]	composed of chemical element  [petrologic analysis]
ja5  [e]	with component element
vri	iron technology, Iron Age, steel  [metallurgy (partim)]  « eei
w4m	metal, metallic  « e8aXo

or

Facets key
0  under aspect      
1  at time           
2  in place          
3  through process   
4  made of element   
5  with organ        
6  from origin       
7  to destination    
8  like pattern      
9  of kind