GROUP IVA

It is non metal and basic building unit of organic compounds

Fundamental constituent of all animals and vegetable tissues and can form bond with itself, it also occurs free in nature

Can form bonds with itself

Property to exist in more than one form with same physical state

2 Allotropes of carbon

Diamond and graphite

Coal and anthracite

Component of universal antidote, adsorbent and used in diarhhea and in poisoning

Carbonic acid gas, respiratory stimulant, treatment of persistent hiccups, used in manufacturing of soda, carboned water

Refrigerants, solid co2, acne, corns, calluses, moles, warts, and eczema

Cherry red color of blood, 210X affinity to hemoglobin, automobile exhaust

Antidote for Carbon Monoxide

2nd most abundant element

Silicon dioxide, silica, abundant in nature

Poisoning of silicon

Antidote for silicosis

Formed by fusion of silicon with base agents used to modify it

Lower coefficent of expansion

Lower refractive index

Amber color, light resistant properly

Mask color of Fe2O3

Type I Glass

Type II Glass

Type III Glass

Type IV Glass

KIESELGUHR silica, adsorbent, filtring aid, clarifying agent

Magnesium Aluminun Phyllosilicate, anti-diarhhe agent

Zn silicate

Anti flatulent

Manufacture of cans nd household utensils