Chemistry, asked by anujptatapsingh9455, 5 months ago

who tabulated the elements is periodic table​

Answers

Answered by rajeshwariwaddepalli
0

Answer:

atomic weight and valence electrons.

Explanation:

The periodic table is arranged by atomic weight and valence electrons. These variables allowed Mendeleev to place each element in a certain row (called a period) and column (called a group). The table comprises seven rows and 18 columns.

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