50
QuizMultiple Choice

Cumulative Exam — Cumulative exam

Question 50 • PA-Physical Science A

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.