From the information on the temperature stability of white...

Name: Problem 108, Chapter 20: Chemistry
Uploaded: 2019-08-16T20:29:50-08:00
Duration: 1 min 46 s
Channel: Lena Jake
Description: From the information on the temperature stability of white and gray tin given in this chapter, which form would you expect to have the more ordered structure (have the smaller positional probability)?

From the information on the temperature stability of white and gray tin given in this chapter, which form would you expect to have the more ordered structure (have the smaller positional probability)?

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Key Concepts

Crystal Structure and Structural Order

This concept is concerned with how atoms are arranged in a solid. Different crystal structures can exhibit varying degrees of order, with more ordered structures having a more precise, repeating pattern of atomic positions. The degree of order is directly related to the positional probability of atoms in the crystal lattice.

Phase Stability and Allotropy

This concept refers to the existence of different structural forms (allotropes) of a single element that are stable under different temperature conditions. It covers how changes in temperature can drive transitions between these forms, with one structure being favored at high temperatures and another at low temperatures.

Positional Disorder and Probability

This idea deals with the distribution of atoms over available lattice positions. A smaller positional probability indicates that atoms have a well-defined and fixed location, implying a more ordered structure. In contrast, a larger positional probability may indicate that the atoms are distributed over several positions, contributing to disorder in the crystal lattice.

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