Answers EA Academy Civics 9 Our Role in the Electoral Process — Unit testQuestion 23

23

AssignmentMultiple Choice

Our Role in the Electoral Process — Unit test

Question 23 • EA Academy Civics 9

Which best compares and contrasts how John Newlands and Dmitri Mendeleev organized elements?

Answer

A

Both Newlands and Mendeleev arranged elements according to their chemical properties, but only Newlands used atomic mass as well.

B

Both Newlands and Mendeleev arranged elements according to their atomic masses, but only Mendeleev used chemical properties as well.

C

Both Newlands and Mendeleev organized elements into groups, but only Newlands used a table with rows and columns.

D

Both Newlands and Mendeleev organized elements into a table with rows and columns, but only Mendeleev named different groups of elements.

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