Titanium carbide (TiC) is used extensively for cutting tools because of its combination of wear resistance and high hardness. It is one of the hardest natural carbides. C. the coulomb force of attraction between Ti4- and C4-. Given 4+ = 0.064 nm, rc4 = 0.26 nm, K= 9x109 V.m/C, and charge q=1.6x10-19 C. O 35.1×10-9 N O 2.19×10-9 N O 16.68 x 10-9 N O 108.38 x 10-9 N
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