Which gas would have the slowest rate of diffusion, assuming that all gases are at the same temperature? A. krypton (atomic mass 83.8 amu) B. argon (atomic mass 39.95 amu) C. xenon (atomic mass 131.3 amu) D. radon (atomic mass 222 amu)

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answer: option (b) is the correct answer.

explanation:

a covalent bond is formed by sharing of electrons. whereas polarity arises due to difference in electronegativity of two atoms.

therefore, more is the electronegativity of an atom which combines with the titanium, more readily it will induce a partial positive and negative charge.

thus, out of the given options fluorine is most electronegative and has an incomplete octet. therefore, it will readily combine with titanium to share the electrons and complete its octet.