Question: Gallium has an orthorhombic structure with a0 = 0.45258 nm, b0 = 0.45186 nm, and c0 = 0.76570 nm. The atomic radius is 0.1218 nm.

Gallium has an orthorhombic structure with a0 = 0.45258 nm, b0 = 0.45186 nm, and c0 = 0.76570 nm. The atomic radius is 0.1218 nm. The density is 5.904 g/cm3, and the atomic weight is 69.72 g/mol. Determine
(a) The number of atoms in each unit cell; and
(b) The packing factor in the unit cell.

Step by Step Solution

★★★★★

3.32 Rating (170 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The volume of the unit cell is V a 0 b 0 c 0 or V 045... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

814-P-M-S (1121).docx

120 KBs Word File

Students Have Also Explored These Related Mechanics Questions!

The rocket shown in Fig. P5.64, is held stationary by the horizontal force, Fx, and the vertical force. Fz. The velocity and pressure of the exhaust gas are 5000 ft/s and 20 psia at the nozzle exit,...

-Mn has a cubic structure with a0 = 0.8931 nm and a density of 7.47 g/cm3. -Mn has a different cubic structure with a0 = 0.6326 nm and a density of 7.26 g/cm3. The atomic weight of manganese is...

Indium has a tetragonal structure with a0 = 0.32517 nm and c0 = 0.49459 nm. The density is 7.286 g/cm3, and the atomic weight is 114.82 g/mol. Does indium have the simple tetragonal or body-centered...

Beryllium has a hexagonal crystal structure with a0 = 0.22858 nm and c0 = 0.35842 nm. The atomic radius is 0.1143 nm, the density is 1.848 g/cm3, and the atomic weight is 9.01 g/mol. Determine (a)...

Q5) (a) Show that there is distorted octahedral void (i.e., edge length of the octahedron is not same for all sides) at centre of each face in the BCC structure. Determine maximum size of the sphere...

please give the explanation for 4marks 6. Galliano hay an entholombic structure with a = 0.45258 mm b = 0.45186 nm, and c= 0.76570 nm the atomic rading is 0.1218 mm and the the density is 5.904 g/cm3...

Gallium has an orthorhombic structure, with a=0.45258nm,b=0.45186nm, and c=0.76570nm. The atomic radius is 0.1218nm. The density is 5.904g/cm33 and the atomic weight is 69.72g/mol. Avogadro's number...

Suggest what type of twinning might occur in: (a) An orthorhombic structure with two cell edges approximately equal; (b) A structure with a monoclinc cell with = 90.1; (c) An orthorhombic structure...

1. (20 points) This one is a little trickier, but I am going to give you all the information. I just want you to synthesize it. We are going to think carefully about the thermodynamics for a phase...

Consider a material having a Side-Centered Orthorhombic structure (see Fig.3). The lattice vectors a , b and c describe the stacking of atoms of the material. This crystal may be also described by...

In this problem, consider diffusion in a face - centered orthorhombic structure, as shown below Lattice parameters along the x , y , and z directions are a , b , and c , respectively, where a b c ....

Consider Review Exercise 6.76. Given the assumption of the exponential distribution, what is the mean number of calls per hour? What is the variance in the number of calls per hour?

Consider the arithmetic sequence: 3, 7, 11, 15, ... a. What is the 128th term? b. Which term has the value 159? c. Find u20. d. Find S20.

( b ) ( 1 0 p t s ) Consider the following IVP s i n ( t ) d z d t + z = 1 t 2 - 2 5 , z ( 4 ) = 2 What's its Interval o f Existence?

he closing entries show debits to Retained Earnings totaling $350, and a credit to Retained Earnings of $760. The company paid $120 of dividends during the month. This company had a: Select one: a....

An engineer wants to measure the bias in a pH Meter. She uses the meter to measure the pH in 12 neutral substances (pH = 7.0) and obtains the data shown below. 7.01, 7.04, 6.97, 7, 6.99, 6.97, 7.04,...

1.) The statement of cash flows summarizes only cash transactions. True False 2.) Which of the following is an example of a financing activity? a. Paying for inventory b. Purchasing a fixed asset c....

Find the center of mass of a thin sheet in the XY-plane in the form of a parabola y = ar and bounded between y = 0 and a straight line y = b. Calculate for the case when b = 20 cm and the surface...

Find the center of the circle plate shown in Fig. P9.8 made up of two semicircular pieces of sur- face densities densities o, and hejakan R. A' Figure P98

Use cumulative proportional odds model predictions for P(y j), j = 1,2,..., J, to show why the constraints 1

Consider doping of silicon with gallium. Assume that the diffusion coefficient of gallium in Si at 1100C is 7 x 10 -13 cm 2 /s. Calculate the concentration of Ga at a depth of 2.0 micrometer if the...

Transistors are made by doping single crystal silicon with different types of impurities to generate n- and p-type regions. Phosphorus and boron are typical n- and p-type dopant species,...

The surface of 0.10 wt% carbon steel is to be strengthened by carburizing. The steel is placed in an atmosphere that provides a maximum of 1.2 wt% carbon at the surface of the steel at a high...

When creating a genetic algorithm, I've run paramater calibration on both small and large test instances. The best parameters for a small test case are not the best for a large test case and vice...

Transport Inc. is considering a recapitalization to maximize firm value. The company has identified three competitors operating in the same industry. Transport Inc. competitors have the following...

Sam was injured in an accident, and the insurance company has offered him the choice of either a lump sum or $50,000 per year for 15 years, with the first payment being made today. If Sam can cam a...