On Nocovid, the speed of light is surprisingly fast, 7.77x108 m/s, but Planck's constant is the same as that on Earth. Calculate the energy in kilojoules (kJ) for 2.245x10-4 mol of x-ray photons with a wavelength of 5.20 nm.

Q: Americium-241 is an isotope that is commonly used for household smoke detectors. Gamma radiation…

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Q: What is the wavelength, in nm, of radiation that has an energy content of 1.0 × 103 kJ/mol?

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Q: A sodium flame has a characteristic yellow color due to emissions of wavelength 568 nm. What is the…

A: Given that,Wavelength = 568 nm1J = 1 Kg m2/s2

Q: The power of a red laser (λ= 630 nm) is 3.00 watts (abbreviated W, where 1 W= 1 J/s). How many…

A: Interpretation-  The power of a red laser ( λ = 630 nm ) is 3.00 watt where 1 W= 1 J/s . Then here…

Q: In photoelectron spectroscopy, an electron is ejected from an atom by the collision of a UV photon…

A: The ionization energy of the Potassium can be calculated as -

Q: A photon of light produced by a surgical laser has an energy of wavelength of 6.57 x 10-7 m.…

A: The energy of photon can be calculated by using formula

Q: 9. Determine (a) the energy, in joules per photon, of radiation of frequency 7.39 X 1015 s1; |(b)…

A: Given:(a).Radiation of frequency=7.39*1015s-1(b). Radiation of frequency =1.97*1014s-1

Q: In Einstein's photoelectric experiment, the kinetic energy of an electron displaced from a metal by…

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Q: 1. The following is an electron transfer reaction between two atoms: Ag + O Ag2+ + 02- ----> Which…

A: The atomic number of Ag (Silver) is 47 . And it's ground state electronic configuration is  […

Q: Cobalt-60 is a radioactive isotope used to treat cancers. A gamma ray emitted by this isotope has an…

A: To calculate the frequency (in Hz) and wavelength (in nm) of the gamma-ray that has an energy of…

Q: What is the wavelength, in nanometers, of light with an energy content of 1.73×105 kJ mol−

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Q: What is the wavelength λ of the photon that has been released in Part B? ΔE =  −2.04×10−18 J…

A: The relation between energy and wavelength of a radiation is given by Planck-Einstein’s relation,…

Q: What is the color of a visible radiation having an energy of 3.60 x 10-19J?  Blue: 440 –490 nm…

A: The relationship between the energy and wavelength of radiation is given by    where λ = wavelength…

Q: CO2 strongly absorbs radiation re- emitted from earth with a frequency of 2.00 x 10^14 Hz. How much…

A: For one mole of photon,Frequency of the absorb radiation,Energy in KJ = ?

Q: An x-ray has a wavelength of 1.3 Å. Calculate the energy (inJ) of one photon of this radiation.

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Q: What is the binding energy of an electron in a photosensitive metal (in kJ/mol) if the longest…

A: The binding energy  ϕ  is the energy that would have needed to be supplied by an incoming light…

Q: In the ground state of an atom of silver (Ag), how many electrons will there be with the quantum…

A: Given Atom silver (Ag) Which atomi. Number is 47 Angular quantum number (l) = 1

Q: 10. What is the wavelength of a 109.6 MHz (Megahertz or 10^6Hz) wave?

A: Given,           C = λ υ           E = h υ = hcλ          C = 3.00 x 108 m/s          h = 6.626 x…

Q: What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency…

A: The Kinetic Energy of the Emitted Electrons can be calculated as -

Q: An X-ray photon with a wavelength of 0.997 nm strikes a surface. The emitted electron has a kinetic…

A: When light of certain wavelength hits the surface of an atom, it ejects an electron from the valence…

Q: What is the energy of 3.25 x 10–3 moles of 2.02 nm X-ray photons?

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Q: 1) Energy dispersive x-ray spectroscopy (EDX) is a commonly used characterization technique in…

A: Given :3 X-ray energies are detected : 5416,6406, and 8050 eV

Q: Cobalt-60 is a radioactive isotope used to treat cancers. Agamma ray emitted by this isotope has an…

A: Relationship between energy and frequency of the ray follows: E=hν       .....(1) where, E = energy…

Q: 20. In which subshell are the highest-energy electrons in an atom of the isotope ¹3¹1 in its ground…

A: 20) Isotopes are atoms of an element that have the same number of protons but different numbers of…

Q: Calculate the energy in joules of one photon of radiation with the wavelength of 5.00 μm.

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Q: The frequency of a photon of electromagnetic radiation with an energy of 1.2 x 10-18 Jis O 8.9 ×…

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Q: n Einstein's photoelectric experiment, the kinetic energy (K.E.) of an electron displaced from a…

A: The question is based on the concept of photoelectric effect. It is states that when radiation of…

Q: The radioactive 60Co isotope is used in nuclear medicine to treat certain types of cancer. Calculate…

A: The question is based on the concept of atomic structure. we have been given energy of radiation. we…

Q: What wavelength of light is emitted when a hydrogen atom decays from the n=6 to n=1 state? Give your…

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Q: if the frequency of a photon is 5.57 x 10^14 hz, what is the energy in kilojoules/mol of 1 mole of…

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Q: Cobalt-60 is a radioactive isotope used to treat cancer. A gamma ray emitted by an atom of this…

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Atomic Structure

The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.

Shape of the D Orbital

Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.