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Mendeleev's periodic table of elements was organized by a. atomic number b. number of electrons c. number of protons d. mass
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1 vote
Mendeleev's periodic table of elements was organized by

a. atomic number
b. number of electrons
c. number of protons
d. mass

User Cryptonkid
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1 Answer

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Atomic mass..so the answer is D
User Mike Kovetsky
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