Are the ions at the edge of an ionic crystal complete spheres?

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SUMMARY

The discussion centers on the representation of ions in ionic crystals, specifically questioning whether ions at the edges are complete spheres or fractions of spheres. It is established that in solid chemistry, spheres are symbolic representations used to denote ions or atoms in a given space. The Atomic Orbital Theory indicates that these representations do not correspond to definite shapes, as they signify regions of high probability for finding parts of a molecule rather than actual geometric forms.

PREREQUISITES
  • Understanding of solid chemistry principles
  • Familiarity with Atomic Orbital Theory
  • Knowledge of ionic crystal structures
  • Basic concepts of molecular probability distributions
NEXT STEPS
  • Research the implications of Atomic Orbital Theory on molecular shapes
  • Explore the geometric representations of ions in different crystal lattices
  • Study the role of probability distributions in quantum chemistry
  • Investigate the differences between symbolic and actual representations of atomic structures
USEFUL FOR

Chemistry students, solid-state physicists, and researchers in materials science who are interested in the structural representations of ionic crystals and the underlying theories of atomic behavior.

lwymarie
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or are they 1/8 of a sphere at the corners and 1/4 of a sphere at the edge?
 
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In solid chemistry, 'spheres' are totally symbolic. A sphere is used to denote an ion/atom in that particular space. Microscopically, no definite or predicted shape for these entities exist. According to the Atomic orbital theory, the region of a molecule we denote is basically a region where the probability of finding a part of the molecule is quite high. We denote such a region by a sphere.
 

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