When a copper half-cell is coupled with a standard hydrogen electrode,.

Cis the answer ur welcome if i get it wrong u don't have to me

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

What’s the solution?

A1 a 2 a 3 ooh lol i think that's it