Atomic Weight of Elements

1 H Hydrogen ²S_1/2

2 He Helium ¹S₀

3 Li Lithium ²S_1/2

4 Be Beryllium ¹S₀

5 B Boron ²P_1/2

6 C Carbon ³P₀

7 N Nitrogen ⁴S_3/2

8 O Oxygen ³P₂

9 F Fluorine ²P_3/2

10 Ne Neon ¹S₀

11 Na Sodium ²S_1/2

12 Mg Magnesium ¹S₀

13 Al Aluminium ²P_1/2

14 Si Silicon ³P₀

15 P Phosphorus ⁴S_3/2

16 S Sulphur ³P₂

17 Cl Chlorine ²P_3/2

18 Ar Argon ¹S₀

19 K Potassium ²S_1/2

20 Ca Calcium ¹S₀

21 Sc Scandium ²D_3/2

22 Ti Titanium ³F₂

23 V Vanadium ⁴F_3/2

24 Cr Chromium ⁷S₃

25 Mn Manganese ⁶S_5/2

26 Fe Iron ⁵D₄

27 Co Cobalt ⁴F_9/2

28 Ni Nickel ³F₄

29 Cu Copper ²S_1/2

30 Zn Zinc ¹S₀

31 Ga Galium ²P_1/2

32 Ge Germanium ³P₀

33 As Arsenic ⁴S_3/2

34 Se Selenium ³P₂

35 Br Bromine ²P_3/2

36 Kr Krypton ¹S₀

37 Rb Rubidium ²S_1/2

38 Sr Strontium ¹S₀

39 Y Yttrium ²D_3/2

40 Zr Zirconium ³F₂

41 Nb Niobium ⁶D_1/2

42 Mo Molybdenum ⁷S₃

43 Tc Technetium ⁶S_5/2

44 Ru Ruthenium ⁵F₅

45 Rh Rhodium ⁴F_9/2

46 Pd Palladium ¹S₀

47 Ag Silver ²S_1/2

48 Cd Cadmium ¹S₀

49 In Indium ²P_1/2

50 Sn Tin ³P₀

51 Sb Antimony ⁴S_3/2

52 Te Tellurium ³P₂

53 I Iodine ²P_3/2

54 Xe Xenon ¹S₀

55 Cs Caesium ²S_1/2

56 Ba Barium ¹S₀

57 La Lanthanum ²D_3/2

58 Ce Cerium ¹G₄

59 Pr Praseodymium ⁴I_9/2

60 Nd Neodymium ⁵I₄

61 Pm Promethium ⁶H_5/2

62 Sm Samarium ⁷F₀

63 Eu Europium ⁸S_7/2

64 Gd Gadolinium ⁹D₂

65 Tb Terbium ⁶H_15/2

66 Dy Dysprosium ⁵I₈

67 Ho Holmium ⁴I_15/2

68 Er Erbium ³H₆

69 Tm Thulium ²F_7/2

70 Yb Ytterbium ¹S₀

71 Lu Lutetium ²D_3/2

72 Hf Hafnium ³F₂

73 Ta Tantalum ⁴F_3/2

74 W Tungsten ⁵D₀

75 Re Rhenium ⁶S_5/2

76 Os Osmium ⁵D₄

77 Ir Iridium ⁴F_9/2

78 Pt Platinum ³D₃

79 Au Gold ²S_1/2

80 Hg Mercury ¹S₀

81 Tl Thallium ²P_1/2

82 Pb Lead ³P₀

83 Bi Bismuth ⁴S_3/2

84 Po Polonium ³P₂

85 At Astatine ²P_3/2

86 Rn Radon ¹S₀

87 Fr Francium ²S_1/2

88 Ra Radium ¹S₀

89 Ac Actinium ²D_3/2

90 Th Thorium ³F₂

91 Pa Protactinium ⁴K_11/2

92 U Uranium ⁵L₆

93 Np Neptunium ⁶L_11/2

94 Pu Plutonium ⁷F₀

94 Am Americium ⁸S_7/2

96 Cm Curium ⁹D₂

97 Bk Berkelium ⁶H_15/2

98 Cf Californium ⁵I₈

99 Es Einsteinium ⁵I_15/2

100 Fm Fermium ³H₆

101 Md Mendelevium ²F_7/2

102 No Nobelium ¹S₀

103 Lw Lawrencium ²P_1/2

104 Rf Rutherfordium ³F₂

105 Db Dubnium ⁴F_3/2

106 Sg Seaborgium ⁵D₀

107 Bh Bohrium ⁶S_5/2

108 Hs Hassium ⁵D₄

109 Mt Meitnerium ⁴F_9/2

110 Ds Darmstadtium ³D₃

111 Rg Roentgenium ²S_1/2

112 Cn Copernicium ¹S₀

113 Nh Nihonium ²P_1/2

114 Fl Flerovium ³P₀

115 Mc Moscovium ⁴S_3/2

116 Lv Livermorium ³P₂

117 Ts Tennessine ²P_3/2

118 Og Oganesson ¹S₀