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प्रश्न
How did Mendeleev's arrangement of elements correlate with the periodicity of the properties of elements?
उत्तर
Every ninth element resembles in properties with the first element and tenth element with second and so on. That is after regular intervals. This means elements in the same vertical column the properties resemble.
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संबंधित प्रश्न
By considering their position in the Periodic Table, which one of the following elements would you expect to have maximum metallic characteristic?
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