Question

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

1-Both Newlands and Mendeleev arranged elements according to their chemical properties, but only Newlands used atomic mass as well.
2-Both Newlands and Mendeleev arranged elements according to their atomic masses, but only Mendeleev used chemical properties as well.
3-Both Newlands and Mendeleev organized elements into groups, but only Newlands used a table with rows and columns.
4-Both Newlands and Mendeleev organized elements into a table with rows and columns, but only Mendeleev named different groups of elements.

Answer 1

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

Answer 2

Answer:

4.)

Explanation:

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