Substance A2 is blue color and reacts with substance B2, which yellow in color. They form a new substance AB, as shown in the chemical equation below.

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.

Contained in chromosomes which are located in the nucleus of the cell.