GO1) Calculate density of an atom of Polonium in g/cm2) Calculate density of the atom of Nickel3) Calculate density of the atom of Calcium4) Silver crystallize in an FCC structure, the edge of length of its unit cell is409 pm. 1pm=10E-12a) What is the atomic radius of Ag in this structure?b) Calculate the density of 1 atom of Ag Recall:For a sphere: v= 4/3IIr³Number of Avogadro : 6,02 10E²³ atomþ polonium =202 g/molI polonium = 336 10E_1²mþ Nickel =58,69 g/molI Nickel = 0,3524 nmþ calcium =40,078 g/mol1 calcium = 558,8 10E_12 mþ silver =107,86 g/mol1 silver = 409 10E_12 m

Given: The mass of polonium per mole, mpo = 202 g/mol The radius of polonium atom, rpo = 336x10-12 m…

Answered: 1 GO 1) Calculate density of an atom of…

Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter26: Welding Metallurgy

Section: Chapter Questions

Problem 7R

See similar textbooks

Similar questions

Copper has an atomic radius of 0.128 nm, an FCC crystal structure, and an atomic weight of 63.5 (a.m.u). Compute its theoretical density. Also , compute the theoretical density if the crystal structure is BCC.
What is the atomic radius of nickel (in A) if it follows an FCC crystal structure, given that Nickel has a density of 8.9 g/mL and an atomic weight of 58.7 g/mol. Solution please. Thankyou
The Cu3Au crystal structure is similar to the FCC crystal structure, but it does not have the FCC lattice. What is the crystal structure of Cu3Au if it has a basis of Au (0, 0, 0), Cu (0, 1/2,1/2), Cu (1/2, 0, 1/2), and Cu (1/2, 1/2, 0)? a. HCP b. Primitive cubic c. BCC d. BCT
1. When Au comes into contact with Ag, it creates a solid solution that is called a substitutional solid solution. Calculate the amount of Au atoms per cubic centimeter in an Ag–Au alloy with 10% Au and 90% Ag. Pure Au has a density of 19.32 g/cm3 and pure Ag has a density of 10.49 g/cm3. 2. What is the atomic radius of nickel (in A) if it follows an FCC crystal structure, given that Nickel has a density of 8.9 g/mL and an atomic weight of 58.7 g/mol. 3. If 25 grains per square inch are measured at 100x magnification, what is the ASTM grain size number of the metal specimen?
A metal has a radius of 0.139 nm, and a planar density of 9.1494588942931 nm-2 in the (110) plane. What is the crystal structure of the material? a. HCP with atomic radius 0.139 nm b. BCC with atomic radius 0.139 nm c. FCC with atomic radius 0.139 nm d. Something else; atomic radius 0.139 nm
In FCC iron-carbon atoms enter the lattice (a)/(b) sites to form austenite, and in BCC iron, carbon enters (c)/(d) sites to form ferrite. Choose from the options (a) or (b) and (c) or (d) to complete the sentence correctly. A. (a) octahedral and tetrahedral B. (c) tetrahedral C. (b) octahedral D. (d) octahedral and tetrahedral
Calculate the number of vacancies per cubic meter in iron at 880 °C. The energy for vacancy formation is 1.08 eV/atom. The density and atomic weight for Fe are 7.65 g/cm3 and 55.85 g/mol, respectively. Express your result in exponential form with 1 decimal place.
Aluminum metals when crystallizes form an FCC structure. If the edge of the unit cell is 353.56 pm, what is the diagonal length of each face of each unit cell?
You are given the density of a metal as 4.22 g/cm3. You are advised the crystallographic structure is fcc, and the atomic mass is 28.9 g/mol. What is the atomic radius of the metal? a. 0.15 nm b. 0.09 nm c. 0.13 nm d. 0.10 nm
For APF, Which one of the following is the assumption a. The atoms overlap b. The atoms are rigid cubes c. The atoms do not overlap d. The atoms are not rigid spheres
A paper clip has a mass of 10.75 grams and is made of gold. (FCC, R = 0.1442 nm), calculate: a) The number of unit cells in the sample volume. b) The number of atoms contained in the volume of the sample.
Determine whether the first part of statement will INCREASE, DECREASE or have NO EFFECT in the second part of the statement. If there is an increase in temperature then the number of vacancies will _______. If there is an increase in atomic packing factor then the density will _______. If there is a decrease in cooling rate then the degree of crystallinity will _______.

SEE MORE QUESTIONS

Recommended textbooks for you

Welding: Principles and Applications (MindTap Cou…

Mechanical Engineering

ISBN:

9781305494695

Author:

Larry Jeffus

Publisher:

Cengage Learning