What is the diagonal effect? How does it explain the similarity in chemistry between, for example, Liİ and Mg?

Q: Which of the following function is an eigenfunction of operator d/dx? sin ax exp(ax) exp(ax.x) cos…

A: The function is an eigenfunction of operators d/d and oxidation state of iron in oxyhemoglobin is…

Q: For the Pfund series, nlo = 5. (a) Calculate the wavelength in nanometers of a transition from n = 7…

A:

Q: Calculate the energy and frequency of a photon of electromag wavelength of 90.5 nm. If this…

A: We know that Wavelength is related to energy and frequency by E = hν = hc/λ, where E = energy, h =…

Q: One type of laser used in the treatment of vascular skin lesions is a neodymium-doped yttrium…

A: Given: The wavelength of radiation =  532 nm

Q: What are all the possible values of mlml if l=1l=1 (a pp orbital)?

A: Solution: We know that that to describe the status of an electron in an atom, need four quantum…

Q: 6. How does the solution concentration affect how much light is absorbed and transmitted through the…

A: 6. Beer-Lambert's law,         A = ε c lA-absorbance, ε-molar absorptivity c-concentration and…

Q: What is the smallest-wavelength line (in nm) in the Brackett series (nf = 4)?

A: Brackett Series of lines  are produced when electron excited to high energy level make transitions…

Q: Of the following electronic transitions in the H .5 atom, which one represents absorption of visible…

A: The longest wavelength that a ground-state hydrogen atom can absorb is associated with the n = 1 to…

Q: What is the wavelength (in nm) of the least energetic spectralline in the visible series of the H…

A: The visible series of the hydrogen atom is the Balmer series and this consists of four lines which…

Q: Most of the light from a sodium lamp has a wavelength of 589 nm. What is the v of this radiation?…

A: Speed of light, C = 3 × 108 m/s Wavelength of light (λ) = 589nm  Wavelength of light (λ) = 589×10-9…

Q: 5. The magnetic moment quantum number (me) is calculated from the angular momentum (8) quantum…

A:

Q: How many grams of CuSO4 5H2O to make up 250 mL of a 0.2 M stock of this solution? Using M1V1 = M2V2…

A: Molar mass of CuSO4.5H2O is 250 g/mol. Let the number of grams of CuSO4.5H2O needed be x g.There…

Q: TRUE OR FALSE A Reflection Nebula is an Absorption Nebula that reflects light from a nearby star.

A: Trus

Q: Chemistry What is the relative probability of an -ray will undergo a photoelectric interaction in…

A: To get:   Relative probability an-ray of bone

Q: How many possible micro-states will a system with 11 argon atoms in 11 slots have?

A: Given  number of Argon atoms =11 Number of slots =11 To calculate :- Number of microstates

Q: A UV light with a wavelength of 250. nm is shone on the silver surface. What is the incident energy…

A: Energy is inversely proportional to wavelength

Q: neutron diffraction is a important technique for determining the structures of molecules.calculate…

A: Mass of neutron = 1.6749×10−27 kgWavelength = 1.22 nm = 1.22×10-9 m

Q: What new idea about light did Einstein use to explain thephotoelectric effect? Why does the…

A: Based on Plank's idea, Einstein proposed that light itself is particulate that is quantized into…

Q: Which property of laser light is NOT correctly defined/described? extremely bright: high power at…

A:

Q: In optical analysis, what are the methods used to calculate the concentration of a solution from the…

A: Solution: Colorimetry is the method of calculating the concentration of a coloured compound present…

Q: What is the frequency (in Hz) of low-level radiation from a fluorescent lamp with wavelength at 254…

A: Given, wavelength of radiation = 254 nm  we have to calculate the frequency of radiation…

Q: For the Pfund series, n lo=5. Calculate the wavelenth in nanometers of a transition from n=7 to n=5

A: The emission spectrum of the atomic hydrogen atom has been divided into a number of spectral series,…

Q: Laser light scattering technique is an innovation for the determination of particle size. Briefly…

A: There are 3 types of scattering 1) Mie scattering 2) Rayleigh scattering and 3) non-selective…

Q: 4. What is exclusion principle? What are the reasons, do you think, behind the anomalies of the…

A: Pauli Exclusion principle states that all set of quantum numbers are different for every…

Q: Who introduced the method of treating a photon gas ?

A: This question is related to elementary particles.

Q: 9. It is observed that light of wavelength 430 nm just begins to emit photoelectrons from a surface.…

A: When the light falls on a metal surface the electron emits from it and produces photo current . The…

Q: 6.19 (a) What does it mean when we say energy is quan- tized? (b) Why don't we notice the…

A: Introduction : We have to explain what is quantization of energy and why we do not observe this in…

Q: (i) Define frontier orbitals. (ii) Why are frontier orbitals important? a.

A: During any chemical reaction or the complex formation, a molecule or a metal ion interact with the…

Q: The refractive index of water is 0.33 .a 1.33 .b O 1.5 .c O 0.5 .d O

A: Refractive index is inversely proportional to velocity of light in that particular medium. So more…

Q: (i) Define frontier orbitals. (ii) Why are frontier orbitals important?

A: The application of molecular orbital theory is called a frontier orbital theory. It describes the…

Q: THE PRINCIPAL DIFFERENCES of Four Quantum Numbers THE AZIMUTHAL THE MAGNETIC THE SPIN PROJECTION…

A: There are 4 types of quantum no--> principal quantum no, Azimuthal quantum no, magnetic quantum…

Q: DIFFERENCES of Four Quantum Numbers THE SPIN THE PRINCIPAL THE AZIMUTHAL THE MAGNETIC PROJECTION

A: The Principal The Azimuthal The magnetic The spin projection This quantum number determines the…

Q: Which is the correct depiction of the electron transfer of Na and Cl? • Na.

A: Here, we have to find the correct depiction of the electron transfer of Na and Cl.

Q: In the Pfund series, nlo = 5. Calculate the longest wavelength (in nanometers) possible for a…

A: Wavelength of photon emitted during the transition of electron in hydrogen atom is  Where R is the…

Q: pelectric effect? Why does the photoelectric effect exhibit a hold frequency but not a time lag?

A: Atom consists of three basic elements are protons, electrons, and neutrons.

Q: Consider a three-level laser system. The wavelength for an absorption from level A to level C is 477…

A: We will draw diagram and then using it calculate required wavelength.

Q: What is the difference between a 2px and a 2py orbital?

A: Both the orbitals 2px and 2py are identical in shape, size and energy, the only difference is…

Q: How would a decrease in the wavelength of light affect the resolution power of a bright-field…

A:

Q: radial distribution curve of the 3p orbital?

A: Radial distribution curve represents the electron density and the distance of the electron from the…

Q: 7. Can a gravitational field influence a magnetic field? Explain your argument with proper…

A: Can a gravitational field influence a magnetic field?

Q: The frequency range of infrared light used in an IR spectrometer is 1.2x1014 Hz to 1.2x1013 Hz. What…

A: Given, The frequency range of infrared light used in an IR spectrometer is 1.2x1014 Hz to 1.2x1013…

Q: What are the differences between a 4py orbital and a 3dx2-y2 orbital in the H atom?

A: