Two or more elements chemically combined, whose properties are completely different from those of the individual elements, are known as a
A. Compound
B. Heterogeneous mixture
C. Homogeneous mixture
D. Solution

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.

Sorry i dont understand the question can you rephase it?