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Abstract Being in the group with the most diverse set of properties among all in the periodic table, the Group 14 elements (C, Si, Ge, Sn, and Pb) are particularly chemistry of p-block elements;. • describe the trends in physical and chemical properties of group 13 and. 14 elements;. • explain anomalous behaviour of. 32. Ge. 14. Si. 6. C. 50. Sn. 82. Pb. „Tetreles“. Group. 14 or IVA. 114. Fl Carbides Result From a Combination of Carbon with Either Metals or Semi-. Metals Carbon and Group 14 Elements. Chem 462. Nov. 17. Graphite. Pure sp2 carbon, 120? angles, d(C-C) = 1.41 A. Diamond. ? Pure sp3 carbon. ? All bonds. Nov 9, 2019 - Relative abundances of the group. 14 elements in the Earth's crust. • Data are on a logarithmic scan and units of abundance are ppm. Occurrence. Extraction. Table 12.1 : Physical properties of group-14 elements. S.No. Properties. C. SiGe. Sn. Pb. 82. A CON. Atomic Number. Atomic Weight. Covalent radius (pm). Group 14: The Carbon Family. Elements. ? Electron configuration is ns2np2 (n is the period number). ? The half filled orbital allows this group to straddle the line. Group 14: The Carbon Family. Elements. ? Electron configuration is ns2np2 (n is the period number). ? The half filled orbital allows this group to straddle the line. Group 14 Elements (IVA). 2. • Tin and lead will exhibit + 2 oxidation state also. + 2 is more common and more stable than + 4 for. Sn and Pb due to inert pair