08 
— PERIODIC TABLE OF THE ELEMENTS 
VINA 
1 2 
H He 
HA WA IVA VA VIA~ VIIA 
7 6 7 8 9 10 
Bi C|N/|O|FINe 
N 12 Is 16 17 18 
GROUP AT 
a Mg lB IVB~ VB”) VIB- VIB vill iB 1B A S {Cl} Ar 
20 21 eR 123 tee 27 28 [29 30 3) 33 34 35 RY 
Ca/Sc' Ti V | Cr: Co} Ni|Cu|Zn/Ga As/ Se) Br} Kr 
38 —‘|39 [a fs | ts be ‘lar le te a Ey Ysa [Sa 
Sr/ Y Tc | Ru| Rh} Pd | Ag/Cd/ In | Sn 351 Te | | Xe 
TABLE 1. 
ELEMENTS WITH VERY LOW MOBILITY OR IMMOBILE: STIPPLED 
ELEMENTS WITH LOW MOBILITY: BARRED 
ELEMENTS WITH LOW MOBILITY WHICH ARE BIOGENIC: DIAGONALLY BARRED 
