The atoms or spheres are located at each vertex of the cube.[br]Each sphere contributes with (1/8) to the cell.[br]There are 8 vertices, therefore there is one complete sphere per unit cell.[br][br][br]Versión en español:[br]https://www.geogebra.org/m/qegufufy[br][br][br]Other structures:[br][br]Crystal structure - body centered cubic:[br][url=https://www.geogebra.org/m/zantmgct]https://www.geogebra.org/m/zantmgct[/url][br][br]Crystal structure - face centered cubic:[br][url=https://www.geogebra.org/m/jcba9wnb]https://www.geogebra.org/m/jcba9wnb[/url]