Looking at Figure 12.27 identify the coordination numbers of the Cu, Y, and Ba atoms.

검증된 단계별 안내

Identify the different types of atoms in the figure: Cu (blue), Y (yellow), and Ba (red).

Count the number of nearest neighbor atoms surrounding a Cu atom (blue).

Count the number of nearest neighbor atoms surrounding a Y atom (yellow).

Count the number of nearest neighbor atoms surrounding a Ba atom (red).

Summarize the coordination numbers for Cu, Y, and Ba based on the counts from the previous steps.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Coordination Number

The coordination number of an atom in a crystal structure refers to the number of nearest neighboring atoms surrounding it. This concept is crucial for understanding the geometry and stability of crystalline solids, as it influences the physical properties of the material, such as density and melting point.

Crystal Lattice Structure

A crystal lattice structure is a three-dimensional arrangement of atoms or ions in a crystalline solid. The specific arrangement determines the coordination numbers of the constituent atoms, which can vary based on the type of crystal system (e.g., cubic, hexagonal) and the size and charge of the atoms involved.

Ionic and Metallic Bonding

Ionic and metallic bonding are two types of chemical bonding that significantly influence the coordination numbers in solids. In ionic compounds, the coordination number is determined by the electrostatic attraction between cations and anions, while in metallic bonding, it relates to the arrangement of metal atoms and the delocalization of electrons, affecting the overall structure and properties of the material.