Thus,
from titanium (Z = 22) to copper (Z = 29) the
significant increase in the density may be noted
(Table 4 2) 19
18
16
15
13
12
Sc Ti
V
Cr Mn Fe
Co Ni Cu Zn
Y
Zr Nb Mo Tc Ru
Rh Pd Ag Cd
La Hf Ta
W
Re Os
Ir
Pt
Au Hg
Radius/nm
17
14
Fig 4