which best compares and contrasts how john newlands and dmitri mendeleev organized elements?\nboth newlands…

which best compares and contrasts how john newlands and dmitri mendeleev organized elements?\nboth newlands and mendeleev arranged elements according to their chemical properties, but only newlands used atomic mass as well.\nboth newlands and mendeleev arranged elements according to their atomic masses, but only mendeleev used chemical properties as well.\nboth newlands and mendeleev organized elements into groups, but only newlands used a table with rows and columns.\nboth newlands and mendeleev organized elements into a table with rows and columns, but only mendeleev named different groups of elements.

which best compares and contrasts how john newlands and dmitri mendeleev organized elements?\nboth newlands and mendeleev arranged elements according to their chemical properties, but only newlands used atomic mass as well.\nboth newlands and mendeleev arranged elements according to their atomic masses, but only mendeleev used chemical properties as well.\nboth newlands and mendeleev organized elements into groups, but only newlands used a table with rows and columns.\nboth newlands and mendeleev organized elements into a table with rows and columns, but only mendeleev named different groups of elements.

Answer

Brief Explanations:

John Newlands arranged elements in order of increasing atomic mass and noticed a periodicity in their chemical properties (Law of Octaves). Dmitri Mendeleev arranged elements by increasing atomic mass but also considered chemical properties. He left gaps for undiscovered elements. Both used tables with rows and columns to organize elements.

Answer:

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