Yes, the electrons are moving between the spaces of atoms. In electrolites, positively charched ions move too - to the opposite electrode (catod). The may stick to the catod and be removed from the elctrolite. Read something about Faraday experiments, for example.

Yes, the electrons are moving between the spaces of atoms. In electrolytes, positively charged ions move too - to the opposite electrode (cathode). The may stick to the cathode and be removed from the electrolyte. Read something about Faraday experiments, for example.