Find the oxidation of number is Al in AL2O3

One +3 oxidation state for Aluminum can be found in the compound aluminum oxide, Al2O3.

It's not the same dearthe first one is in grams per mole while the other is not

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.