Table of Chemical Elements
for the
Health Care Professions

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Element

Symbol

Atomic Number

Atomic
Weight

*Aluminum

Al

13

26.981

Americium

Am

95

243

Antimony

Sb

51

121.75

Argon

Ar

18

39.948

*Arsenic

As

33

74.9216

Astatine

At

85

210

*Barium

Ba

56

137.34

Berkelium

Bk

97

247

Beryllium

Be

4

9.01

*Bismuth

Bi

83

208.980

*Boron

B

5

10.811

*Bromine

Br

35`

79.909

Cadmium

Cd

48

112.40

*Calcium

Ca

20

40.08

Californiu

Cf

98

249

*Carbon

C

6

12.01115

Cerium

Ce

58

140.12

Cesium

Cs

55

132.905

*Chlorine

Cl

17

35.453

Chromium

Cr

24

51.996

*Cobalt

Co

27

58.9332

*Copper

Cu

29

63.54

Curium

Cm

96

247

Dysprosium

Dy

66

162.50

Einsteinium

Es

99

254

Erbium

Er

68

167.26

Europium

Eu

63

151.96

Fermium

Fm

100

253

*Fluorine

F

9

18.9984

Francium

Fr

87

223

Gadolinium

Gd

64

157.25

Gallium

Ga

31

69.72

Germanium

Ge

32

72.59

*Gold

Au

79

196.967

Hafnium

Hf

72

178.49

Helium

He

2

4.006

Holmium

Ho

67

164.930

*Hydrogen

H

1

1.00797

Indium

In

49

114.82

*Iodine

I

53

126.9044

Iridium

Ir

77

192.2

*Iron

Fe

26

55.847

Krypton

Kr

36

83.80

Kurchatovium

Ku

104

257

Lanthanum

La

57

138.91

Lawrencium

Lw

103

257

*Lead

Pb

82

207.19

*Lithium

Li

3

6.939

Lutetium

Lu

71

174.97

*Magnesium

Mg

12

24.312

*Manganese

Mn

25

54.9380

Mendelevium

Md, Mv

101

256

*Mercury

Hg

80

200.59

Molybdenum

Mo

42

95.94

Neodymium

Nd

60

144.24

Neon

Ne

10

20.183

Neptunium

Np

93

237

Nickel

Ni

28

58.71

Niobium

Nb, Cb

41

92.906

*Nitrogen

N

7

14.0067

Nobelium

No

102

254

Osmium

Os

76

190.2

*Oxygen

O

8

15.9994

Palladium

Pd

46

106.4

*Phosphorus

P

15

30.9738

Platinum

Pt

78

195.09

Plutonium

Pu

94

242

Polonium

Po

84

210

*Potassium

K

19

39.102

Praseodymium

Pr

59

140.907

Promethium

Pm

61

147

Protactinium

Pa

91

231

*Radium

Ra

88

226

Radon

Rn

86

222

Rhenium

Re

75

186.2

Rhodium

Rh

45

102.905

Rubidium

Rb

37

85.47

Ruthenium

Ru

44

101.07

Samarium

Sm

62

150.35

Scandium

Sc

21

44.956

*Selenium

Se

34

78.96

*Silicon

Si

14

28.086

*Silver

Ag

47

107.870

*Sodium

Na

11

22.9898

*Strontium

Sr

38

87.62

*Sulfur

S

16

32.064

Tantalum

Ta

73

180.948

Technetium

Tc

43

99

Tellurium

Te

52

127.60

Terbium

Tb

65

158.924

Thallium

Tl

81

204.37

Thorium

Th

90

232.038

Thulium

Tm

69

168.934

Tin

Sn

50

118.69

Titanium

Ti

22

47.90

Tungsten

W

74

183.85

Uranium

U

92

238.03

Vanadium

V

23

50.942

Xenon

Xe

54

131.30

Ytterbium

Yb

70

173.04

Yttrium

Y

39

88.905

*Zinc

Zn

30

65.37

Zirconium

Zr

40

91.22

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About This Table

This table lists the elements, symbols, atomic numbers, and atomic weights in alphabetical order. 

* Denotes elements most common to medicine.

 

Data in this table is provided courtesy of Academy of Health Sciences, Fort Sam Houston, Texas.

 

Web Design by David L. Heiserman

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