Best Answer: Silicon is the fourteenth element of the periodic table and is a Group IVA element, along with carbon germanium, tin and lead.Pure silicon is a dark gray solid with the same crystalline structure as diamond. Its chemical and physical properties are similar to this material.Silicon has a melting point of 2570Â° F (1410Â° C), a boiling point of 4271Â° F (2355Â° C), and a density of 2.33 g/cm3.Source(s): http://en.wikipedia.org/wiki/Silicon.est Answer: Silicon is the fourteenth element of the periodic table and is a Group IVA element, along with carbon germanium, tin and lead.
Color blindness (sometimes spelled colour-blindness; also called race blindness) is a sociological term for the disregard of racial characteristics when selecting which individuals will participate in some activity or receive some service.
Color vision deficiency (sometimes called color blindness) represents a group of conditions that affect the perception of color. Red-green color vision defects are the most common form of color vision deficiency. Affected individuals have trouble distinguishing between some shades of red, yellow, and green.ed-green color vision defects are the most common form of color vision deficiency. This condition affects males much more often than females. Among populations with Northern European ancestry, it occurs in about 1 in 12 males and 1 in 200 females.