Final answer:
To estimate the number of cobalt atoms in the cube with an edge length of 5.2 cm, information regarding cobalt's crystal structure and density is needed. Without such details, it is not possible to provide a precise answer.
Step-by-step explanation:
The question is asking how many cobalt atoms are contained within a cube with an edge length of 5.2 cm. To determine the number of atoms in the cube, we would need to know the structure of cobalt's crystalline lattice and use the edge length to calculate the volume of the unit cell. Cobalt typically has a hexagonal close-packed crystal structure, but assuming for simplicity that it forms a cubic crystal system, we could estimate the number of atoms using the density and molar mass of cobalt, along with Avogadro's number, to find the number of moles in the cube, and hence the number of atoms. However, as the question provides insufficient information to answer it accurately (e.g., lacking the crystal structure data for cobalt), a precise answer cannot be provided.