A crystal latticeAn orderly, repeating arrangement of points in 3-D space in which each p;oint has surroundings identical to every other point. A crystal's constituent atoms, molecules, and ions are arranged about each lattice point. structure whose cubic unit cellA small portion of a crystal lattice that by repetition can generate the entire lattice; the unit cell contains the same ratio of atoms or ions that is contained in a macroscopic sample of a substance. has one atomThe smallest particle of an element that can be involved in chemical combination with another element; an atom consists of protons and neutrons in a tiny, very dense nucleus, surrounded by electrons, which occupy most of its volume. in the center of each face (only 1/2 of each face atom is within the unitA particular measure of a physical quantity that is used to express the magnitude of the physical quantity; for example, the meter is the unit of the physical quantity, length. cell) and one atom at each corner (only 1/8 of each corner atom is within the unit cell). Abbreviated fccAbbreviation for face-centered cubic; a crystal lattice structure whose cubic unit cell has one atom in the center of each face (only 1/2 of each face atom is within the unit cell) and one atom at each corner (only 1/8 of each corner atom is within the unit cell)..
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