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Properties of substance:

californium

Group of substances:

inorganic

Physical appearance:

metal

Empirical formula (Hill's system for organic substances):

Cf

Structural formula as text:

Cf

Molar/atomic mass: 251

Melting point (°C):

900

Boiling point (°C):

1227

Numerical data:

Year of discovery: 1950

    Electrode potential:

    Cf3+ + 3e- → Cf, E = -1.91 V (water, 25°C)
    Cf4+ + e- → Cf3+, E = 3.1 V (water, 25°C)

    Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

    0 (s)

    Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

    0 (s)

    Standard molar entropy S0 (298.15 K, J/(mol·K)):

    77 (s)

    Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

    29 (s)

    ΔHsublimation (kJ/mol):

    163

    References:

    1. Бекман И.Н. Радиохимия. Том II: Радиоактивные элементы. - М.: Издатель Мархитин П.Ю., 2014. - pp. 356-360 [Russian]
    2. Вредные химические вещества: Радиоактивные вещества. Справочник. - Л., 1990. - pp. 224-225 [Russian]
    3. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 286-287 [Russian]
    4. Химия актиноидов. - Т.2. - М.: Мир, 1997. - pp. 558-574 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru