39.8g of admixture of KCL and KCLO3 were heated to a constant mass. if the residue weighed 28.9g, what was the percentage mass of the potassium chloride in the mixture

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.