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What kind of inclined plane are there?
There are many kinds of inclined planes. Some examples are: driveways, slide, and a ramp. There are many kinds of inclined planes. Some examples are: driveways, slide, and a ramp.
How many neighbors does a face-centered cubic crystal have?
A face-centered cubic crystal has 12 nearest neighbors surrounding each atom.
What is the crystal of a watch?
The crystal of a watch is the transparent cover that protects the dial and hands. It is typically made from materials like mineral glass, sapphire crystal, or acrylic. The quality of the crystal can affect the scratch resistance and overall durability of the watch.
How many planes does the US Air Force have in all?
The US Air Force has approximately 5,600 aircraft in its inventory, which include a variety of fighter jets, bombers, transport planes, and other aircraft for different missions and roles.
How many planes of motion does the shoulder move in?
The shoulder moves in three planes of motion: sagittal plane (forward and backward), frontal plane (side to side), and transverse plane (rotational movement). This allows for a wide range of movement and flexibility in the shoulder joint.
How many basic Crystal classes are there?
There are seven basic crystal classes in crystallography, which are categorized based on their symmetry properties. These classes correspond to the seven crystal systems: cubic, tetragonal, orthorhombic, hexagonal, rhombohedral, monoclinic, and triclinic. Each class exhibits specific symmetry elements and arrangements of atoms.
Why FCC crystal structure has more slip plans thenHCP?
FCC crystal structure has 12 slip planes because of its cubic symmetry, which allows slip to occur in many directions. HCP crystal structure, on the other hand, has 3 slip planes due to its hexagonal close-packed arrangement, which restricts the slip to fewer directions.
How are crystels of minerals classified?
Crystals of minerals are classified based on their internal atomic arrangement and external geometric shape. This classification system is known as crystallography, which considers factors like symmetry, cleavage, and atomic structure to categorize crystals into different mineral groups such as cubic, tetragonal, orthorhombic, hexagonal, and trigonal. This classification helps in identifying and distinguishing different minerals based on their unique crystal properties.
What are crystal form and cleavage?
Crystals come in different shapes, determined by how the molecules of compounds from which they are made can be packed together. For instance a quarts crystal is hexagonal in shape, while galena and pyrites crystals are cubic. There are six different crystal shapes or forms determined by the axes and degree of symmetry of the crystal and the angles at which the axes intersect. Subordinate to the overall crystal shapes, many crystalline substances have within them planes of weakness along which the crystal may break these lines are related to the crystals symmetry and caused by how the molecules are aligned within the crystal. This is cleavage.
Why is Snow White in color?
It's the result of crystallised flakes of clear water, making it appear white because of the many reflection planes in the single crystal of a smowflake.
How many sides do crystals of each of the six major crystal systems have?
Cubic: crystals have 6 sides. Tetragonal: crystals have 4 sides. Orthorhombic: crystals have 3 unequal sides. Hexagonal: crystals have 6 sides. Monoclinic: crystals have 4 sides. Triclinic: crystals have no set number of sides.
How many planes are in real life?
There are way too many planes in real life. No one can tell how many planes are in real life.
How many planes does calcite have?
Calcite commonly exhibits three notable cleavage planes, which are oriented at approximately 75-degree angles to one another. This characteristic cleavage is a key feature that helps in identifying calcite among other minerals. Additionally, calcite can exhibit a rhombohedral crystal habit due to the arrangement of its atoms. Overall, its cleavage and crystal structure contribute to its unique optical properties.
How many planes for symmetry are there in a cube?
9 planes in Cube 3 Planes in Cuboid
How many slip system are there in hcp crystal?
In a hexagonal close-packed (hcp) crystal structure, there are typically 12 slip systems. These consist of three primary slip directions (the close-packed directions) and four distinct slip planes. The primary slip directions are along the close-packed directions of the hexagonal lattice, specifically along the directions, while the slip planes are the (0001) basal plane and the three prismatic planes. This combination allows for significant plastic deformation under applied stress.
Tendency to break along smooth flat surfaces?
Many minerals have "cleavage" that causes them to split on flat cleavage planes. Such minerals include micas (muscovite, biotite. phlogopite), calcite, gypsum, and feldspars. Cleavage is the result of the minerals' crystal structure that has weaker chemical bonds aligned in planes.
Are network solids malleable?
Covalent network solids are generally not malleable. They have crystal structures that lack obvious glide planes and the covalent bonds are difficult to break and remake. This is a contrast with the metals where many of the crystal structures have glide planes and metallic bonds are relatively easy to break and remake.
