Isotope - filtering

Mercury

Hg

80

200.59

Tellurium

Te

52

127.6

Bismuth

Bi

83

208.980

Lead

Pb

82

207.2

Gold

Au

79

196.967

Potassium

K

19

39.0983

Cadmium

Cd

48

112.411

Calcium

Ca

20

40.078

Sb

Cobalt

Co

27

58.933

Ytterbium

Yb

70

173.054

Argon

Ar

18

39.948

Nitrogen

N

7

14.007

Uranium

U

92

238.029

Plutonium

Pu

94

(244)