Question

Complete the following sentences:

1. Mendeleev arranged the elements in the periodic table in an ascending order to their - - - - - - - - ​

Answer 1

Answer:

here is the answer

Explanation:

atomic mass please mark has branliest answer

Answer 2

Answer:

Mendeleev arranged the elements in order of increasing relative atomic mass . When he did this he noted that the chemical properties of the elements and their compounds showed a periodic trend .

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