Which half-reaction correctly describes an oxidation? ca(s)+2e- ca2+(aq) br2+2e- 2br- na+(aq) (s) +e- cr(+(aq) + 3e-

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.

Ansel nino;

A-rna has coded instructions for making proteins, and dna translates the code.

Theyre semiconductors.