đề hôm nay chạm mấy alt=27 small gray spheres in 3 evenly spaced layers of nine. 8 spheres form a regular cube and 8 of those cubes form a larger cube. The gray spheres represent the cesium atoms. The center of each small cube is occupied by a small green sphere representing a chlorine atom. Thus, every chlorine is in the middle of a cube formed by cesium atoms and every cesium is in the middle of a cube formed by chlorine. Enhance your purchase with Clyde protection
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