AKASH GOYAL AskiitiansExpert-IITD
Last Activity: 14 Years ago
Dear Yash

Fig: Earth structure according to (a) Goldschmidt (b) Kuhn and Rittman
Layer |
Elements present |
Metallic core (Siderophil) |
Mn, Fe, Co, Ni, Cu, Ru, Rh, Pd, Ag, Re, Os, Ir, Pt, Au |
Sulphide layer (Chalcophil) |
P, S, Zn, Ga, Ge, As, Se, Cd, In, Sn, Sb, Te, Hg, Tl, Pb, Bi |
Silicate layer (Lithophil) |
Chlorides, sulphate and carbonates of Li, Na, K, Rb, Cs, Mg, Ca, Sr, Ba. Silicates and oxides of Be, Al, Si, Y, La, Ac, Ti, Zr, Hf, Th, V, Cr, Mo, W, U |
Atmosphere (Atmophil) |
F, Cl, Br, I, B, C, Si, N, O and rare gases |
hence the answer is 4 siderophil
All the best.
AKASH GOYAL
AskiitiansExpert-IITD
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