Proust Atom Model Explained: All Elements & Hydrogen

[logearav]

Homework Statement

according to proust, all the elements are made up of atoms of hydrogen. what does this statement mean? does it mean that all elements have only onoe proton and one electron like hydrogen. i know this theory was discarded but i can't understand the statement. for example heavy elements lke uranium and thorium have electrons and protons equivalent to their atomic no. then how uranium be hydrogen like? please help, revered members

Homework Equations

The Attempt at a Solution

 

[nobahar]

When you move 'along' the periodic table to the right to the next element, you add one proton and one electron (i.e. a hydrogen atom). I assume that's what it means.
Edit: Also, neutrons are added, but I don't think there's a pattern to this. So I don't know.