Using the periodic table, predict the charges of the ions ofthe following elements: (a) Ga, (b) Sr, (c) As, (d) Br, (e) Se.

Q: (c) Find drk1 for: (i) A simple cubic lattice (ii) A orthorhombic lattice (a ± b + c, ¤ = B = y=…

A: The interplanar spacing dhkl between two planes can be calculated with the help of direction cosine…

Q: 1/2 1/2 Exercice n°2 Within a cubic unit cell, sketch the following directions; A, B and C 2+ B.

A: Find the direction of A, B, C

Q: 1/:What is the potential of a half-cell consisting of zinc e (0.01M ZNSO4 ) solution at 25°C, E°…

A: GivenE=0.763V

Q: (b). Determined the miller indices for the directions and planes in the following unit cell:…

A:

Q: c) Determine the Miller indices for Plane A and Plane B as shown in Figure 1. [Tentukan indeks…

A: Miller indices of planes are defined as rationalised reciprocal of fractional intercepts taken along…

Q: Given a unit cell of aluminum (Al) with FCC structure. Molar mass of Al is 26.98 g/mol. Find the…

A: The theoretical mass of aluminium in one unit cell is to be calculated. The aluminium has FCC…

Q: Q2\Determine the angular momentum of an electron in the hydrogen atom for orbital quantum numbers of…

A:

Q: In the ground state of cadmium, Cd,a. how many electrons have l = 2 as one of their quantum…

A: Given: In the ground state of cadmium, Cd,a. how many electrons have l = 2 as one of their quantum…

Q: Constants and Conversion Factors Atomic and lonic Radii of Selected Elements See the image below.…

A: Radius of α.Fe atoms =0.124nmC atoms =0.077mm

Q: 1) Explain the Fáčé-Céntéřéd Cübić unit cell with a neat diagram and provide a minimum of two…

A: An FCC unit cell contains particles at all the corners of the crystal cross section and at the…

Q: In Niels Bohr's 1913 model of the atom, the electron is in a circular orbit around a nucleus. An…

A: Given: The radius of path of electron, r = 5.7x10-11 m The speed of electron, v = 2.15x106 m/s

Q: 8. An electron has a rest mass of 9.11×10^(-28) g. What is the energy contained in the electron…

A: Mass of electron = m=  9.11 X 10-28 g = 9.11 X 10-31 Kg   Light speed = V = 3 X 108  m/s

Q: Obtain the Miller indices for the following directions A and B shown below: +z A +y 1 +x A)…

A: → For direction A :     Head Point : 12,0,1   Tail Point : 1,12,0→ direction of A := Head…

Q: A thin boron foil of 1 mm thickness is being bombarded with 1 eV neutrons. Boron has a density of…

A: given that , B10 -20% B11-80% As concept of a nuclear cross section can be quantified physically in…

Q: Calcium (Ca) has the FCC crystal structure. The atomic radius is R = 0.197 nm and the %3D atomic…

A:

Q: Predict the formula of the ionic compound formed between the lithium ion and the peroxide ion, O22−.

A: The valency of lithium is one that is it loses one electron to become stable. Therefore by losing…

Q: Explain the tremendous amount of energy associated with the strong bonds within the nucleus of the…

A: The atomic energy available in a nucleus is termed as nuclear energy. This energy is released when…

Q: The atomic radii of Mg2+ and F¹ ions are 0.062 nm and 0.112 nm, respectively. Calculate the force of…

A:

Q: Why do quantum effects only happen on the atomic scale?

A: It is not necessary that quantum effects are strictly apply on atomic scale but when these confined…

Q: Consider a system of nonrelativistic electrons in a white dwarf star at a temperature of 10^9 K.…

A: Write the formula for the density of a non-relativistic electron in a degenerate system.…

Q: Polarizability is defined as the extent to which the electron cloud surrounding an atom or molecule…

A: The polarizability increases with an increase in size. as the size increases the force between the…

Q: find the de Broglie wave length for an electron with total energy E=6 eV and potential energy V= 3…

A: Total energy  E = 6 eV  Potential energy  V = 3 ev  De Broglie wavelength = ?

Q: 1) Given the following elements: 12 14 24 27 Mg 12 Al 13 6. i. State the period and group number of…

A:

Q: 1 The coordination number for the HCP unit cell is (b) 12 (17 (a) 14 2 Select an image in which all…

A: As per our guidelines we are supposed to answer only one question. Kindly repost other question as a…

Q: The molar mass of oxygen atom (O) is 16g/mol that is the number of Avogadro * for 3mole equal to…

A: Given data: molar mass of oxygen atom O=16 g/mol

Q: The dependency between electron density and fermi energy (E) for a 2-D free electron gas is,

A: We know that, the expression of Fermi energy EF=h2KF22m here, EF is the Fermi energy m is the mass…

Q: Presume that a small solid sample of Cr2O3 is held at very low temperature. Assume (in a thought…

A: When the Cr2O3 is heated its molecule disassociated into their respective ions. For the molecules to…

Q: Circle which ekement this atom is on this periodic table below: The mass of this atom is: a. 3 mass…

A: According to the problem, the atom has 3 protons, 3 electrons, and 4 neutrons.

Q: The half-life of Na-24 is 15.0 h. Find time to decay for 80 percent of a sample of this nuclide.

A:

Q: The electric potential difference between the ground and a cloud in a particular thunderstorm is 1.2…

A:

Q: The type of charge possessed by an electron is:

A: Negative

Q: In MO theory, which has the highest bond order?

A: According to the MO theory bond order is directly proportional to the bond energy and it is also…

Q: Cobalt forms two oxides. One has 21.40% by mass and the other 28.9 %. What are the empirical formula…

A: Suppose the sample is 100 gm. a) The mass of oxygen is 21.40 gm. The mass of cobalt is: The moles…

Q: Calcium (Ca) has the FCC crystal structure. The atomic radius is R = 0.197 nm and the atomic mass is…

A: R=0.197 nm M=40.08 g/mol

Q: 2.7 Give the electron configurations for the following ions: P*, P³¯, Snª+, Se2-, I¯, and Ni2+.

A: Given, The ions to find their electron configurations are P5+, P3-, Sn4+, Se2-, I- and Ni2+.

Q: According to Coulomb's law, the attractive force between two charged bodies is directly proportional…

A: This question is based on the concept of coulomb's law.

Q: Q2/ semiconductor at T, has conductivity of 2.5 x 106 s/m. number of electrons of 3x 105 Numbers of…

A:

Q: Q1\Consider the following quantum numbers and identify the sub-shell of the electrons : (a) n = 2, 1…

A: Given:

Q: Resistivity of the pure Pb and pure Sn is 2,06 × 10 ´ and 1,11 × 10 ´ $2.m respectively at room…

A:

Crystalline Imperfections

The crystalline imperfections are described as the geometrical defects in the crystal due to incorrect arrangement of atoms, impurity, vacancy, and many more. It is not possible to achieve a perfect or ideal crystal, practically.