I have a metaphorical near-head-explosion for different reasons than the average person that I was referring to. For me, it's mainly a matter of the properties shown on the chart being more abstract and not knowing what observations they would map to (as wedrifid noted in his signaling analysis...).
Compared to the Periodic Table, elementary particle chart also has significantly less order. With the PT, I may not know each atomic mass number, but I know in which direction it increases, and I know the significance of its arrangement into rows and columns. The values in the EPC seem more random.
The values in the EPC seem more random.
Granted, but there are also nowhere near as many of them. Besides, fermion mass increases to the right, same as in the PT; charge depends only on the row; and spin is 1/2 for all fermions and 1 for all bosons. This is not very complicated.
I would also suggest that the seeming randomness is a sign you're getting closer to the genuinely fundamental stuff: The order in the periodic table is due to (using loose language) repeated interactions of only a few underlying rules - basically just combinations of up and down ...
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