Metallic sodium crystallizes in a body-centered cubic lattice, with one Na atom for each point in the crystal lattice. How many atoms are there per unit cell? If the edge length of the unit cell is found to be 429 pm, what is the metallic radius of Na in pm?

Metallic sodium crystallizes in a body-centered cubic lattice, with one Na atom for each point in the crystal lattice. How many atoms are there per unit cell? If the edge length of the unit cell is found to be 429 pm, what is the metallic radius of Na in pm?

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter11: Liquids And Solids

Section: Chapter Questions

Problem 11.74QE

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Concept explainers

Crystal Lattices and Unit Cell

Consider a crystal. The regular and repeating pattern of constituent particles is the most distinguishing feature of crystalline solids. A crystal lattice is formed when these particles are replaced with representative points. The three-dimensional arrangement of constituent particles is known as a crystal lattice. Unit cell is that the smallest portion of a space lattice which when repeated in several directions, generate the whole lattice. Unit cell is a building block of a lattice. It is the smallest unit of cell.

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Metallic sodium crystallizes in a body-centered cubic lattice, with one Na atom for each point in the crystal lattice. How many atoms are there per unit cell? If the edge length of the unit
cell is found to be 429 pm, what is the metallic radius of Na in pm?

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