Chemistry MC Chemistry In 1829, the German chemist J. R. Dobereiner published a classification system in which elements were put into groups according to their properties. How many elements did he put in each of his groups?

In 1829, the German chemist J. R. Dobereiner published a classification system in which elements were put into groups according to their properties. How many elements did he put in each of his groups?

Chemistry

In 1829, the German chemist J. R. Dobereiner published a classification system in which elements were put into groups according to their properties. How many elements did he put in each of his groups?

Answer: 3

Chemistry MC

In 1829, the German chemist J. R. Dobereiner published a classification system in which elements were put into groups according to their properties. How many elements did he put in each of his groups?

In 1829, the German chemist J. R. Dobereiner published a classification system in which elements were put into groups according to their properties. How many elements did he put in each of his groups?

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