GROUP IVA GROUP IVA Carbon C 6 [He]2s22p2 Silicon Si 14 [Ne]3s23p2 Germanium Ge 32 [Ar]3d104s24p2 Tin Sn 50 [Kr]4d105s25p2 Lead Pb 82 [Rn]4f145d106s26p2 Department of Inorganic Chemistry HUT Cấu tạo v[.]
GROUP IVA Carbon C [He]2s22p2 Silicon Si 14 [Ne]3s23p2 Germanium Ge 32 Tin Lead [Ar]3d104s24p2 Sn 50 [Kr]4d105s25p2 Pb 82 [Rn]4f145d106s26p2 Cấu tạo vỏ điện tử hóa trị Trạng thái oxy hóa Qui luật biến đổi Tính bền số OXH +IV giảm dần +II tăng dần Department of Inorganic Chemistry - HUT CF4 sp 2 2 SiF GeF sp d 4 4 SnF PbS 2 sp d f C-C 348 kJ/mol Organic Si-Si 219 Ge-Ge167 Sn-Sn 155 Si-O 452 Silicate Department of Inorganic Chemistry - HUT Department of Inorganic Chemistry - HUT …Carbon, although the second most abundant element in living organisms, accounts for only 0.02 of the mass of the earth's crust … 1.Đơn chất 2.Cacbon oxit – CO 3.Cacbon dioxit, muối cacbonat Department of Inorganic Chemistry - HUT The 10 most abundant elements by mass (a) in the earth’s crust and (b) in the human body All are maingroup elements except iron and titanium Department of Inorganic Chemistry - HUT a) Diamond b) Graphite c) Lonsdaleite d) Buckminsterfullerene (C60) e) C540 f) C70 g) Amorphous carbon h) single-walled carbon nanotube XÁC ĐỊNH NIÊN ĐẠI BẰNG PHÓNG XẠ Radioactive Dating Radiocarbon Dating C C 12 13 98.89% 1.11% C 14 The potassium–argon and uranium–lead methods are used for dating older objects 14 cos mic ray neutrons 14 1 N n C H 14 haft life 5730 years 50.000 years 40 19 1 14 1 C N haft life 1.3 b years ~1 m years K e 40 18 Ar Allotropes of carbon sp2-hybridized Two crystalline allotropes of carbon: (a) Graphite is a covalent network solid consisting of two-dimensional sheets of six-membered rings The atoms in each sheet are offset slightly from the atoms in the neighboring sheets (b) Diamond is a vast, three-dimensional array of sp3-hybridized carbon atoms, each of which is bonded with tetrahedral geometry to four other carbons ... 4 SnF PbS 2 sp d f C-C 348 kJ/mol Organic Si-Si 219 Ge-Ge167 Sn-Sn 155 Si-O 452 Silicate Department of Inorganic Chemistry - HUT Department of Inorganic Chemistry - HUT …Carbon, although...Cấu tạo vỏ điện tử hóa trị Trạng thái oxy hóa Qui luật biến đổi Tính bền số OXH +IV giảm dần +II tăng dần Department of Inorganic Chemistry - HUT CF4 sp 2 2 SiF GeF... 18 Ar Allotropes of carbon sp2-hybridized Two crystalline allotropes of carbon: (a) Graphite is a covalent network solid consisting of two-dimensional sheets of six-membered rings The atoms in