Physics, 24.08.2021 17:20, Rogeartest4

9. In 1869, when Mendeleev proposed a periodic table of the elements, there were 60 known elements. Of this number, 5 were gases, 2 were liquids, and the remainder
were solids. What would you predict to have been the chances that the next
element discovered was a gas? Explain your answer.
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9. In 1869, when Mendeleev proposed a periodic table of the elements, there were 60 known elements...