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Alex
3 years ago
9

How did Mendeleev arrange the known elements in his periodic table? O A. According to the number of protons O B. According to th

e number of electrons O C. According to atomic mass O D. According to atomic number​
Chemistry
1 answer:
jeka943 years ago
6 0

Explanation:

Features of Mendeleev's tables

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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