Alphabetical list of chemical abbreviations and element names, with atomic number and relative atomic mass - Chemical Fundamentals of Geology and Environmental Geoscience - page 243

Symbol Name Z Relative atomic mass † Symbol Name Z Relative atomic mass †

s sulfur 16 32.06

Mg magnesium 12 24.31

sb antimony 51 121.75

Mn manganese 25 54.94

sc scandium 21 44.96

Mo molybdenum 42 95.94

se selenium 34 78.96

N nitrogen 7 14.01

si silicon 14 28.09

Na sodium 11 22.99

sm samarium 62 150.35

Nb niobium 41 92.91

sn tin 50 118.69

Nd neodymium 60 144.24

sr strontium 38 87.62 ‡

Ne neon 10 20.18

Ta tantalum 73 180.95

Ni nickel 28 58.71

Tb terbium 65 158.92

Np neptunium 93* 237.05

Tc technetium 43* 98.91

o oxygen 8 16.00

Te tellurium 52 127.60

os osmium 76 190.2

Th thorium 90* 232.04

P phosphorus 15 30.97

Ti titanium 22 47.90

Pa protactinium 91* 231.04

Tl thallium 81 204.37

Pb lead 82 207.19 †

Tm thulium 69 168.93

Pd palladium 46 106.4

u uranium 92* 238.03

Pm promethium 61* 146.92

v vanadium 23 50.94

Po polonium 84* 208.98

Pr praseodymium 59 140.91 W tungsten 74 183.85

Pt platinum 78 195.09

Xe xenon 54 131.30

Pu plutonium 94* 239.05

y yttrium 39 88.91

ra radium 88* 226.03

yb ytterbium 70 173.04

rb rubidium 37 85.47

Zn zinc 30 65.37

re rhenium 75 186.20

Zr zirconium 40 91.22

rh rhodium 45 102.91

rn radon 86* 222.02

ru ruthenium 44 101.07

* signifies an element with no stable isotope.
† relative to 12 c = 12.000.
‡ rAM may vary slightly with proportion of radiogenic isotopes.