4 ноя 1867 г. - Newlands
Описание:
He was an English chemist and he had a law called the "law of octaves" when he noted a pattern in the atomic structure of elements with similar chemical properties and it helped with the development of the periodic law. He was the one to arrange chemical elements using its atomic weight.Добавлено на ленту времени:
Дата:
4 ноя 1867 г.
Сейчас
~ 156 г назад
