How do I do quesiton 26 and from there how do you calculate Linear density ?
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How do I do quesiton 26 and from there how do you calculate Linear density ? thanks 26. Shown below is the iron FCC cub...
(a) Differentiate between Face- Centered Cubic (FCC) and Body-Centered Cubic (BCC) crystal structures. Why FCC metals...
(a) Differentiate between Face- Centered Cubic (FCC) and Body-Centered Cubic (BCC) crystal structures. Why FCC metals are more ductile than BCC metals? 5 marks) (ii) show the relationship between the unit cell edge length, a, and the atomic radius, R, for a BCC crystal. Iron has a BCC crystal structure, an atomic radius of 0.124 nm, and atomic weight of 55.85 g/mol. Calculate its theoretical density Given: Avogardo's Number is 6.02 x 105 atoms/mol (5 marks) Figure 1 Determine the...
Can someone help with this? [8 points] 8 a) On the unit cell drawn below, sketch...
Can someone help with this?
[8 points] 8 a) On the unit cell drawn below, sketch the location of atoms for a BCC crystal. Be sure to include those that are hidden behind the front faces. b) Derive the cubic dimension a as a function of the atomic radius, R. c) What is the planar density of the (001) plane for a BCC crystal structure (in terms of R)? d) What is the linear density in the [010] direction on...
6. A single crystal, a. is made of grains with different crystallographic directions b. is formed as the result of...
6. A single crystal, a. is made of grains with different crystallographic directions b. is formed as the result of interlocking unit cells without any interruption c. does not show polymorphism d. has isotropic properties 7. By increasing the temperature from room temperature to the melting point of iron, the sequence of polymorphic transformations of iron is a FCC-BCC-HCP b. FCC-BCC-FCC c. BCC-FCC-BCC d. BCC-FCC-HCP 8. The Miller indices for the crystallographic plane shown are a. (123) b. (336) c....
Question 4-9 1. What are the four types of bonding observed in solids? c ndeCavalent bonang...
Question 4-9
1. What are the four types of bonding observed in solids? c ndeCavalent bonang 2. Rank the four types of bonding from strongest to weakest. io<>coaletxalic>H-ro İ 3.1 Derive an algebraic expression for the equilibrium spacing, re of an ionic bond that follows the equation E, in terms of A, B, n, and E. 4. 5. What is the force between the two atoms at the equilibrium spacing? atonic force What is the number of atoms per unit...
Could you please explain in depth how you come to the answer on this? I understand...
Could you please explain in
depth how you come to the answer on this?
I understand that the atomic mass, m = 55.85 g/mole and the
radius, r = 1.25 a ---- r = 1.24 x 10 ^-8
But for BCC how do you find the atomic number? I know it is Z =
2. but how do you find it and what does it signify?
Also, for BCC how do you find r? I know it is ((sqrt 3)*9)...
1) Cite the difference between atomic mass and atomic weight. 2) Without consulting any figures or...
1) Cite the difference between atomic mass and atomic weight. 2) Without consulting any figures or tables, determine whether each of the electron configurations given below is an inert gas, a halogen, an alkali metal, an alkaline earth metal, or a transition metal. Justify your choices. (a) 1s22s22p63523p63d7452 (d) 1s22s22p6352 (b) 1s22s22p63s23p6 (e) 1s22s22p63s23p63d2452 (C) 1s22s22p5 (1) 1s22s22p63523p6451 3) (a) What type(s) of bonding would be expected for each of the following materials; brass (a copper- zinc alloy), rubber, barium...
please could you explain how to do 1 and 2. thank you Qi) Here is a...
please could you explain how to do 1 and 2. thank you
Qi) Here is a BBC unit lattice. Using the full sphere model, calculate the relative amount of area that is occupied by atoms with their center in the plane shown below (diagonal across the body). This is called the planar packing factor, equivalent to the atomic packing factor in 3D. Also mark the octahedral sites present on the plane. Bec Q2) Zinc has an HCP unit cell for...
1/take +z 90° 0.45 nm To which crystal sy o 90° 90° 0.35 nm -0.35 nm...
1/take +z 90° 0.45 nm To which crystal sy o 90° 90° 0.35 nm -0.35 nm +x this unit cell belong? Triclinic crystal system Monoclinic crystal system Tetragonal crystal system Cubic crystal system MAY 2 . M courses/1439426/quizzes/2309737/take 90° 0.45 nm 90° 90° 0.35 nm +* -0.35 nm Calculate the density of the material (as shown in the figure), given that its atomic weight is 141 g/mol. 9.35 crn 9 8.49 cm 9 13.79 cm3 6.78 cm MAY 8 Q...
--Given Values-- Atomic Radius (nm) = 0.116 FCC Metal = Gold BCC Metal: = Sodium Temperature...
--Given Values-- Atomic Radius (nm) = 0.116 FCC Metal = Gold BCC Metal: = Sodium Temperature ( C ) = 1017 Metal A = Tin Equilibrium Number of Vacancies (m-3) = 6.02E+23 Temperature for Metal A = 369 Metal B = Gallium 1) If the atomic radius of a metal is the value shown above and it has the face-centered cubic crystal structure, calculate the volume of its unit cell in nm3? Write your answers in Engineering Notation. ...
Unit Cell Calculations Name _____________________________ Unit Cells: The Simplest Repeating Unit in a Crystal The structure...
![](https://lh4.googleusercontent.com/K_IdXKabFLhtXXOIgQQGWz-LYlYNPa5z9cPt6FQy3eCY_hrY26qZS8XFBDdXJxqT5rgw1lAAnw6EBuTmrr7-OGOL5RkSwGNWJ97ys65Nc5ZjNeeCGSQ-UGT6SRqFEqehUHwDJLPp" aria-describedby="jt3"><img alt="unitcell1.png)
Unit Cell Calculations Name
_____________________________
Unit Cells: The Simplest Repeating Unit in a Crystal
The structure of solids can be described as if they were
three-dimensional analogs of a piece of wallpaper. Wallpaper has a
regular repeating design that extends from one edge to the other.
Crystals have a similar repeating design, but in this case the
design extends in three dimensions from one edge of the solid to
the other. We can unambiguously describe a piece of wallpaper by...
(a) Differentiate between Face- Centered Cubic (FCC) and Body-Centered Cubic (BCC) crystal structures. Why FCC metals are more ductile than BCC metals? 5 marks) (ii) show the relationship between the unit cell edge length, a, and the atomic radius, R, for a BCC crystal. Iron has a BCC crystal structure, an atomic radius of 0.124 nm, and atomic weight of 55.85 g/mol. Calculate its theoretical density Given: Avogardo's Number is 6.02 x 105 atoms/mol (5 marks) Figure 1 Determine the...
Can someone help with this?
[8 points] 8 a) On the unit cell drawn below, sketch the location of atoms for a BCC crystal. Be sure to include those that are hidden behind the front faces. b) Derive the cubic dimension a as a function of the atomic radius, R. c) What is the planar density of the (001) plane for a BCC crystal structure (in terms of R)? d) What is the linear density in the [010] direction on...
6. A single crystal, a. is made of grains with different crystallographic directions b. is formed as the result of interlocking unit cells without any interruption c. does not show polymorphism d. has isotropic properties 7. By increasing the temperature from room temperature to the melting point of iron, the sequence of polymorphic transformations of iron is a FCC-BCC-HCP b. FCC-BCC-FCC c. BCC-FCC-BCC d. BCC-FCC-HCP 8. The Miller indices for the crystallographic plane shown are a. (123) b. (336) c....
Question 4-9
1. What are the four types of bonding observed in solids? c ndeCavalent bonang 2. Rank the four types of bonding from strongest to weakest. io<>coaletxalic>H-ro İ 3.1 Derive an algebraic expression for the equilibrium spacing, re of an ionic bond that follows the equation E, in terms of A, B, n, and E. 4. 5. What is the force between the two atoms at the equilibrium spacing? atonic force What is the number of atoms per unit...
Could you please explain in
depth how you come to the answer on this?
I understand that the atomic mass, m = 55.85 g/mole and the
radius, r = 1.25 a ---- r = 1.24 x 10 ^-8
But for BCC how do you find the atomic number? I know it is Z =
2. but how do you find it and what does it signify?
Also, for BCC how do you find r? I know it is ((sqrt 3)*9)...
1) Cite the difference between atomic mass and atomic weight. 2) Without consulting any figures or tables, determine whether each of the electron configurations given below is an inert gas, a halogen, an alkali metal, an alkaline earth metal, or a transition metal. Justify your choices. (a) 1s22s22p63523p63d7452 (d) 1s22s22p6352 (b) 1s22s22p63s23p6 (e) 1s22s22p63s23p63d2452 (C) 1s22s22p5 (1) 1s22s22p63523p6451 3) (a) What type(s) of bonding would be expected for each of the following materials; brass (a copper- zinc alloy), rubber, barium...
please could you explain how to do 1 and 2. thank you
Qi) Here is a BBC unit lattice. Using the full sphere model, calculate the relative amount of area that is occupied by atoms with their center in the plane shown below (diagonal across the body). This is called the planar packing factor, equivalent to the atomic packing factor in 3D. Also mark the octahedral sites present on the plane. Bec Q2) Zinc has an HCP unit cell for...
1/take +z 90° 0.45 nm To which crystal sy o 90° 90° 0.35 nm -0.35 nm +x this unit cell belong? Triclinic crystal system Monoclinic crystal system Tetragonal crystal system Cubic crystal system MAY 2 . M courses/1439426/quizzes/2309737/take 90° 0.45 nm 90° 90° 0.35 nm +* -0.35 nm Calculate the density of the material (as shown in the figure), given that its atomic weight is 141 g/mol. 9.35 crn 9 8.49 cm 9 13.79 cm3 6.78 cm MAY 8 Q...
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