But … Diamond is extremely hard because it is a giant covalent structure with many strong covalent bonds. The giant covalent structure of diamond. Graphite has a giant covalent structure in which: each carbon atom is joined to three other carbon atoms by covalent bonds. The carbon atoms in diamonds are arranged in a strong, tetrahedral structure. Diamond is an allotrope (different form) of carbon. Carbon has an electronic arrangement of 2,4. Some trace elements can … Diamond is the hardest substance known and is used to cut glass and in industrial drill bits. The results of EHMO-ASED (atom superposition and electron delocalization) calculations agree well with orthogonalized plane-wave (OPW), pseudopotential, and ab initio studies; bond length and … Diamond has an extremely low thermal expansion, is chemically inert with respect to most acids and alkalis, is transparent from the far infrared through the deep ultraviolet, and is one of only a few materials with a negative work … The structure of diamond. Diamond is the only gem made of a single element: It is typically about 99.95 percent carbon. The structure has billions of atoms forming hexagons and extends in all directions. The other 0.05 percent can include one or more trace elements, which are atoms that aren’t part of the diamond’s essential chemistry. Within the extended-Hückel theory we present the influence of carbon 3s orbitals on the band structure of diamond. 3s orbitals are shown to account for the indirect band gap. It forms a giant molecular structure. What is the chemical name for diamond? All of the covalent bonds in diamond are identical. In the diagram some carbon atoms only seem to be forming two bonds (or even one bond), but that's not really the case. Diamond and Graphite Diamond and graphite are two allotropes of carbon — pure forms of the same element that differ in structure. In diamond, each carbon shares electrons with four other carbon atoms - forming four single bonds. Diamond has no free electrons because they are all involved in bonding and is therefore a poor conductor of electricity. the carbon atoms form layers with a hexagonal arrangement of atoms. Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic.At room temperature and pressure, another solid form of carbon known as graphite is the chemically stable form of carbon, but diamond almost never converts to it. Diamond is a form of the element carbon - see also graphite. In the picture of diamond above, each blue ball represents a carbon atom. Diamond is widely sought after because of its rarity and unique crystalline structure and is used in jewelry. Because it is hard, diamond is used in high speed cutting tools, eg diamond-tipped saws. The word diamond comes from the Greek word meaning unbreakable. Diamonds do not generally react with any chemical reagents, including strong acids and bases. Diamond’s atoms are normally arranged in a repeating pattern that is a variant of a common crystal structure known as face-centered cubic. Uses of diamond include cutting, drilling, and grinding; jewelry; and in the semi-conductor industry. Diamond is an exceptional thermal conductor - 4 times better than copper - which gives significance to diamonds being called 'ice'. Diamond is the hardest natural material known and is often used for industrial cutting and polishing tools. the layers have weak forces between them. 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