Multiple Choice
How did Dmitri Mendeleev organize the elements in his original periodic table?
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2. Atoms & Elements
Periodic Table: Classifications
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Who arranged the periodic table by atomic mass?
A
Dmitri Mendeleev
B
Marie Curie
C
Henry Moseley
D
John Dalton
Verified step by step guidance1
Understand that the question is about the historical development of the periodic table and who arranged the elements by atomic mass.
Recall that Dmitri Mendeleev is credited with creating the first widely recognized periodic table, where he arranged elements in order of increasing atomic mass.
Note that Marie Curie is known for her work on radioactivity, not for arranging the periodic table.
Recognize that Henry Moseley later refined the periodic table by arranging elements according to atomic number, not atomic mass.
Remember that John Dalton is famous for atomic theory but did not arrange the periodic table.
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