Question: Suppose that solid iron was able to nucleate homogeneously with an undercooling of only 15 C. How many atoms would have to group together spontaneously

Suppose that solid iron was able to nucleate homogeneously with an undercooling of only 15 °C. How many atoms would have to group together spontaneously for this to occur? Assume that the lattice parameter of the solid BCC iron is 2.92 Å.

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