Mendelev vs modern perioic table
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In the modern periodic table, the elements are arranged in order of increasing atomic number.
Hydrogen have also fixed place
(InMendeleev's table, they were arranged in order of increasing atomic weight). More elements are in the modern periodic table which have been discovered since Mendeleev's time.
Hydrogen has not fixed place
Hydrogen have also fixed place
(InMendeleev's table, they were arranged in order of increasing atomic weight). More elements are in the modern periodic table which have been discovered since Mendeleev's time.
Hydrogen has not fixed place
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