How did the work of Dmitri Mendeleev differ from that of John Newlands in the development of the periodic table? Mendeleev arranged the elements according to increasing atomic mass.
Mendeleev predicted elements that would later be discovered.
Mendeleev identified elements that had similar properties.
Mendeleev organized elements into triads based on their properties.

Follows are the solution to this question:

Explanation:

The characterization with water molecules would be that light waves are made up of 2 different types of atoms (2 hydrogen and 1 oxygen atoms), as per the Dalton theory. There are many multiple times as many atoms of hydrogen as oxygen atoms in each water molecules. For every two hydrogen atoms, all water molecules have one oxygen atom.