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Properties of substance:

promethium

Group of substances:

inorganic

Physical appearance:

metal

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

Pm

Structural formula as text:

Pm

Molar/atomic mass: 144.9128

Melting point (°C):

1170

Boiling point (°C):

3000

Numerical data:

Year of discovery: 1947

    References:

    1. Бекман И.Н. Радиохимия. Том II: Радиоактивные элементы. - М.: Издатель Мархитин П.Ю., 2014. - pp. 70-73 [Russian]
    2. Лаврухина А.К., Поздняков А.А. Аналитическая химия технеция, прометия, астатина и франция. - М.: Наука, 1966. - pp. 108-118 [Russian]
    3. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 100-101 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru