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6.6: Electron Affinity

  • Page ID
    371716
    • John Moore, Jia Zhou, and Etienne Garand
    • University of Wisconsin

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    Electron Affinity

    John Moore, Jia Zhou, and Etienne Garand

    Electron Affinity

    Atom Atomic No. 1st Electron Affinity (kJ/mol)
    H 1 -72.77
    He 2 48.24
    Li 3 -59.63
    Be 4 48.24
    B 5 -26.73
    C 6 -121.85
    N 7 6.75
    O 8 -140.98
    F 9 -327.95
    Ne 10 115.78
    Na 11 -52.87
    Mg 12 38.59
    Al 13 -42.55
    Si 14 -133.63
    P 15 -72.03
    S 16 -200.41
    Cl 17 -348.99
    Ar 18 96.49
    K 19 -48.38
    Ca 20 -2.37
    Sc 21 -18.14
    Ti 22 -7.62
    V 23 -50.65
    Cr 24 -64.26
    Mn 25 115.78
    Fe 26 -15.73
    Co 27 -63.78
    Ni 28 -111.54
    Cu 29 -118.48
    Zn 30 57.89
    Ga 31 -28.95
    Ge 32 -115.78
    As 33 -78.15
    Se 34 -194.97
    Br 35 -324.67
    Kr 36 96.49
    Rb 37 -46.88
    Sr 38 48.24
    Y 39 -29.62
    Zr 40 -41.10
    Nb 41 -86.16
    Mo 42 -71.98
    Tc 43 -53.07
    Ru 44 -101.31
    Rh 45 -109.70
    Pd 46 -53.74
    Ag 47 -125.62
    Cd 48 67.54
    In 49 -28.95
    Sn 50 -115.78
    Sb 51 -103.24
    Te 52 -190.15
    I 53 -295.16
    Xe 54 77.19
    Cs 55 -45.51
    Ba 56 28.95
    La 57 -48.24
    Ce 58  
    Pr 59  
    Nd 60  
    Pm 61  
    Sm 62  
    Eu 63  
    Gd 64  
    Tb 65  
    Dy 66  
    Ho 67  
    Er 68  
    Tm 69  
    Yb 70  
    Lu 71 0.00
    Hf 72 -9.65
    Ta 73 -31.07
    W 74 -78.64
    Re 75 -14.47
    Os 76 -106.13
    Ir 77 -151.00
    Pt 78 -205.32
    Au 79 -222.75
    Hg 80 48.24
    Tl 81 -19.30
    Pb 82 -35.12
    Bi 83 -91.28
    Po 84 -183.32
    At 85 -270.16
    Rn 86 67.54
    Fr 87  
    Ra 88  
    Ac 89  
    Th 90  
    Pa 91  
    U 92  
    Np 93  
    Pu 94  
    Am 95  
    Cm 96  
    Bk 97  
    Cf 98  
    Es 99  
    Fm 100  
    Md 101  
    No 102  
    Lr 103  

    Anderson, T.; Haugen, H. K.; and Hotop, W.. J. Phys. Chem. Ref. Data 1999, 28(6), 1526-1527.
    Bratsch, Steven G.; Lagowski, J. J. Polyhedron 1986, 5, 1763-1770. Note that in this table the convention is that EA = ΔE when an electron is added to an atom to form a negative ion.


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