what is the difference between a single crystal and polycrystalline material and an amorphous solid?
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Single crystals have infinite periodicity, polycrystals have local periodicity, and amorphous solids (and liquids) have no long-range order. ... A polycrystalline solid or polycrystal is comprised of many individual grains or crystallites.
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A single crystal with a perfectly regular lattice that contains no impurities, imperfections, or other defects. From: ideal crystal in A Dictionary of Chemistry »
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Crystalline solids are solids that have a definite internal atomic structure that follows a regular, repeating pattern and break along cleavage planes. Amorphous solids have irregular internal atomic structures, and as a result have a much more swirly and irregular-looking exterior form.
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Key difference: Glass is a generic name, while, crystal is a subcategory of glass, made in the same manner as glass but with different materials. Hence, all crystal is glass, but not all glass is crystal. ... Actually, there is no official clean cut definition of crystal.
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Glass, however, is actually neither a liquid—supercooled or otherwise—nor a solid. It is an amorphous solid—a state somewhere between those two states of matter. ... At this stage, the material is a supercooled liquid, an intermediate state between liquid and glass.
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[' A solid has a definite shape and volume.', ' Solids in general have higher density.', ' In solids, intermolecular forces are strong.', ' Diffusion of a solid into another solid is extremely slow.', ' Solids have high melting points.']
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The main difference between the two technologies is the type of silicon solar cell they use: monocrystalline solar panels have solar cells made from a single crystal of silicon, while polycrystalline solar panels have solar cells made from many silicon fragments melted together.
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Material properties. Diamond is a solid form of pure carbon with its atoms arranged in a crystal. Solid carbon comes in different forms known as allotropes depending on the type of chemical bond. The two most common allotropes of pure carbon are diamond and graphite.
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is that crystallization is (uncountable) the act or process by which a substance in solidifying assumes the form and structure of a crystal, or becomes crystallized while crystal is (countable) a solid composed of an array of atoms or molecules possessing long-range order and arranged in a pattern which is periodic in ...
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A Rock is a natural material, hard or soft, consisting of one or more minerals. ... Both are formed from minerals. Crystals are a solid material comprised of ions, atoms and molecules that are arranged in a repeating pattern to become solid.
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Solids are one of the three states of matter and, unlike liquids or gases, they have a definite shape that is not easy to change. Different solids have particular properties such as stretch, STRENGTH, or hardness that make them useful for different jobs. Most solids are made up of tiny crystals.
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To put it simply, a crystal is a structure made up of various natural materials whereas a mineral is a material in itself. Two or more minerals can actually have the same chemical composition and yet completely differ when it comes to crystal structure.
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Most metals are crystalline in their solid state, which means they have a highly ordered arrangement of atoms. Amorphous metals are non-crystalline, and have a glass-like structure.
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Group 8A crystalline solids are a specific variety of atomic crystalline solids. They are comprised of solidified, inert noble gases [such as neon (Ne), argon (Ar), helium (He) and radon (Rn)], and can only occur at incredibly low (near absolute zero) temperatures.
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A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure formed by geological processes. A rock is an aggregate of one or more minerals whereas a rock may also include organic remains and mineraloids. Some rocks are predominantly composed of just one mineral.
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A solid is a state of matter that has a definite shape and volume while a liquid is a state of matter that has volume but no definite shape. 2. A liquid takes the shape of the container that holds it while a solid has a shape of its own. ... Solids are strong, tough, elastic, ductile, and flexible while liquids are not.
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A crystal is built up by the adding, in three dimensions, of identical building blocks which crystallographers call a unit cell. ... What is not so apparent is that many materials we call powders (e.g. talcum powder, cement powder) are actually comprised of very small crystals which are known as "crystallites".