Начало » менделеев
Днес отбелязваме 190 години от рождението на бащата на периодичната таблица – Дмитрий Менделеев. Дмитрий Менделеев е роден на 8 февруари 1834 г. в Сибир и е най-малкото от 17 деца в своето семейство. Неговият баща е бил професор по политика и философия. През 1855 г. Менделеев завършва със златен медал катедрата по природни науки […]
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