Element Enegativity Atomic_radius Valence_electron Atomic_mass
Ag 1.93 1.45 11 107.9
Au 2.54 1.36 11 197.0
Cu 1.90 1.32 11 63.55
Ir 2.20 1.41 9 192.2
Pt 2.28 1.36 10 195.1
Pd 2.20 1.39 10 106.4
Rh 2.28 1.42 9 102.9
Ru 2.20 1.46 8 101.1
N  3.04 0.71 5 14.01
O  3.44 0.66 6 16.00
H  2.20 0.31 1 1.008
C  2.55 0.76 4 12.01
Zn 1.65 1.22 12 65.41
Fe 1.83 1.32 8 55.85
Co 1.88 1.26 9 58.93
Ni 1.91 1.24 10 58.69
Al 1.61 1.21 3 26.98
Sc 1.36 1.7 3 44.96
Ti 1.54 1.6 4 47.87
V 1.63  1.53 5 50.94
Cr 1.66 1.39 6 52
Y 1.22  1.9 3 88.91
Zr 1.33 1.75 4 91.22
Nb 1.60 1.64 5 92.91
Mo 2.16 1.54 6 95.94
Tc 1.90 1.47 7 98
Hf 1.30 1.75 4 178.5
Ta 1.50 1.7 5 180.9
W  2.36 1.62 6 183.8
Re 1.90 1.51 7 186.2
Os 2.20 1.44 8 190.2 
