Question

z with a stroke means (in modern physics),is it atomic number Or anything else?​

Answer 1

Answer:

The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. ... In an uncharged atom, the atomic number is also equal to the number of electrons.

Answer 2

Answer:

I think it's Atimic no.

Please mark my answer as brainleist.