Francium
Francium is a chemical element that has the symbol Fr and atomic number 87. Soviet chemist D.K. Dobroserdov was the first scientist to claim to have found eka-caesium. Perey's francium analysis. Synthesising francium processing in nuclear reaction.
| Рубрика | Иностранные языки и языкознание |
| Предмет | Chemistry |
| Вид | реферат |
| Язык | английский |
| Прислал(а) | алексей |
| Дата добавления | 13.11.2009 |
| Размер файла | 604,6 K |
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