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What are some interesting facts about the periodic table?

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Answer:

Mendeleev found that he could arrange the 65 elements that were then known, in a grid or table so that each element had a higher atomic weight than the one on its left and similar chemical properties to other elements in the same column. In his table he noted gaps - spaces where elements should be but none had yet been discovered In fact just as Adams and LeVerrier could be said to have discovered the plant Neptune on paper, Mendeleev could be said to have discovered silicon, because he observed a gap between silicon and tin, aluminum and boron, on paper, for he predicted their existence and their properties before their actual discoveries.

First answer by Susangale. Last edit by Susangale. Contributor trust: 39 [recommend contributor ]. Question popularity: 0 [recommend question].

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