Elements  atomic number  atomic mass symbol

Niobium 41 92.906 Nb

molybdenum 42 95.96 Mo

technetium 43 98 Tc

ruthenium 44 101.07 Ru

rhodium  45 102.91 Rh 

Palladium  46 106.42 Pd

Silver  47 107.87 Ag 

Cadmium  48 112.41 Cd

indium  49 114.82 In

tin 50 118.71    Sn

antimony  51 121.76 Sb

tellurium 52 127.60 Te

iodine 53 126.90  I

xenon 54 131.29 Xe

caesium 55 132.91 Cs

barium 56 137.33 Ba

lanthanum 57 138.91 La

cerium 58 140.12 Ce

praseodymium 59 140.91 Pr

neodymium 60 144.24 Nd

promethium 61   145 Pm

samarium  62 150.36 Sm

europium 63 151.96 Eu

gadolinium 64 157.25 Gd

terbium 65 158.93 Tb

dysprosium 66 162.50 Dy

holmium 67 164.93 Ho

erbium 68 168.93 Er

thulium 69 173.06 Tm

ytterbium 70    173.06 Yb

lutetium 71 174.97 Lu

hafnium 72 178.49 Hf

tantalum 73 180.95 Ta

tungsten 74 183.84 W 

rhenium 75 186.21 Re

osmium 76 190.23 Os

iridium 77 192.22 Ir

platinum 78 195.08 Pt

gold  79 196.97 Au 

mercury  80 200.59

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