Group – 14 (IVA) C, Si, Ge, Sn, Pb
Element of this group are p-block element. Carbon and Si are non-metals (Si slightly metallic), Ge is metalloid, Sn and Pb are metals.
Carbon has three isotopes, they are:
The radioisotope 14C (t1/2 = 5770 years) can be produced by thermal neutron irradiation of Al – nitride.
In the atmosphere, 14C is produced by the action of the neutrons in cosmic rays on nitrogen (like above reaction). Its formation and absorption of 14CO2 by living systems (plants and organisms) is used in radiocarbon ...
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