WebDiamond is extremely hard and has a high melting point. ... Nanotubes are a type of fullerene and are molecular-scale tubes of carbon arranged similarly to the layers in graphite. WebStratum Basale. The stratum basale (also called the stratum germinativum) is the deepest epidermal layer and attaches the epidermis to the basal lamina, below which lie the layers of the dermis. The cells in the stratum basale bond to the dermis via intertwining collagen fibers, referred to as the basement membrane. A finger-like projection, or fold, known as …
How can graphite and diamond be so different if they are …
WebThe combined strength of the many carbon-carbon bonds within the structure of diamond give it both great hardness and a lack of chemical reactivity. Structure of graphite . It consists of separate layers. The carbon atoms are … WebJan 30, 2024 · When a single layer of spheres is arranged into the shape of a hexagon, gaps are left uncovered. ... The third layer is completely different than that first two layers and is stacked in the depressions of the second layer, thus covering all of the octahedral holes. The spheres in the third layer are not in line with those in layer A, and the ... car boot sales in buckinghamshire
Diamond - Wikipedia
WebDec 15, 2024 · Diamond: Graphite: Diamond is the hardest substance known. Graphite is soft and slippery. Its density is equal to 3.5 gram/ml. Its density is equal to 2.3 gram/ml. Its carbon atoms are arranged in Octahedral shapes and are colourless and transparent. Its carbon atoms are arranged in hexagonal shapes and are black and opaque. WebTerms in this set (339) What are the 3 types of bonding? What is ionic bonding? Electrostatic attraction between oppositely charged ions. What is the force between two opposite charges called? What are ions? Describe the crystal structure + properties in ionic bonding. - A regular lattice of alternating positive and negative ions forms. - Very ... WebGraphite is composed of layers of carbon atoms that are arranged in 6-membered, hexagonal rings. These rings are attached to one another on their edges. Layers of … brockenhurst welcome store