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How was the work of Newlands similar to that of Mendeleev on the periodic table? A)They both arranged the elements in order of increasing atomic mass. B)They both arranged elements that had similar properties into groups. C)They both predicted the positions of undiscovered elements on the table. D)They both placed the relative atomic mass of each element on the table.

Jennifer Patterson

in Chemistry

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Kyle Mckinney on August 31, 2018

The correct option is A. John Newlands was an English scientist, in 1864 he organized all the known elements in order of their relative increase of atomic mass. After doing this, he realized that some of the elements have similar characteristics and properties. In 1869, Mendeleev, who was a Russian scientist published the periodic table. He also organized the elements based on their increasing atomic mass, but he also went further and organize items in such a way that elements with similar properties fall in the same column.


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