Question 19 Which of the following is true about emission spectra? emission of energy from elements occurs when electrons move from lower energy levels to higher energy levels individual elements emit continuous spectra the emission of individual elements are unique and can be used to identify the element a spectroscope uses diffraction or dispersion to separate continuous spectra into line spectra

Q: The spectrum of a star is which kind: continuous, emission, or absorption? Why?

A: We have to tell which is spectrum of a star is which kind: continuous, emission, or absorption

Q: Three of the known wavelengths of the emission spectrum of helium are 402.6 nm, 447.1 nm and 587.5…

A: Electromagnetic spectrum involves different radiations from the lowest to the highest frequency…

Q: Which of these produces a discrete (or line) spectrum of electromagnetic radiation? O light emitted…

A: Please find your solution below : A discrete or a line spectrum is spectra formed when items are…

Q: The line emission spectrum of atomic hydrogen is explained as follows

A: The energy of the electron in the line emission spectrum of atomic hydrogen is quantized as number…

Q: Which of the following has the highest energy? A wave with a 300 nm wavelength A wave with a 500 nm…

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Q: Determine the frequency and energy for light with a wavelength of 694.0 nm. V = kJ/mol E = What is…

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Q: Some elements do not produce a visible color during a flame test. However, the electrons are still…

A: Here we have to explain why some emission of radiations are colour and others are not during come…

Q: light associated with transitions between energy levels An electronic transition occurs from n = 5…

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Q: need help with this problem: Bohr postulated quantized atomic orbits by suggesting that observed…

A: In the early 20th century, scientists were grappling with the perplexing behavior of atoms,…

Q: According to Bohr's model, Which emission results in the highest energ photon? * -shell (n=4) shell…

A: according to Bohr's model and electron would absorb energy in the form of photons to get excited to…

Q: Using the figure provided, pick an emission line in the Paschen series for a hydrogen atom and…

A: The different series of spectral lines like Lyman series, Balmer series, Paschen series, Brackett…

Q: 10. Which electromagnetic radiation is not part of the visible light spectrum? O ultraviolet light O…

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Q: Part A An electron in a hydrogen atom relaxes to the n = 4 level, emitting light of 74 THz. What is…

A: The energy of electron in nth orbit of hydrogen atom is given by  En = -2.18×10-18n2 J/atom When an…

Q: The minimum energy needed to eject electrons from chromium metal via the photoelectric effect is 434…

A: The relation between the energy and wavelength of radiation is as follows, Given: The minimum…

Q: Explain why different elements produce different spectral absorption and emission lines.

A: The spectral absorption and emission lines. The absorption spectra is produced when the atom absorbs…

Q: Heated lithium atoms emit photons of light with an energy of . What is the calculated frequency and…

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Q: Using your knowledge of the absorption and emission processes, why are only specific colors absorbed…

A: The electrons in an atom or molecule can only occupy certain allowed energy levels. When an electron…

Q: • Write an energy diagram below showing why the hydrogen emission spectrum has 4 lines in the…

A: ⏹️ Approach to solving the question: Here's a detailed explanation of why the hydrogen emission…

Q: 4. Deuterium is an isotope of hydrogen with 1 proton and 1 neutron in its nucleus (deuterium = ²H).…

A: Q - Deuterium is an isotope of hydrogen with 1 proton and 1 neutron in its nucleus (deuterium = 2H).…

Q: Rank the following components of the electromagnetic radiation spectrum from least to greatest in…

A: In electromagnetic spectrum, we arrange different electromagnetic radiations in order of their…

Q: The line of colors that appear in a line emission spectrum is due to the intensity of light absorbed…

A: In this question we need to explain the reason for the line of colors that appear in a line emission…

Q: Radio wave Shortest Wavelength Infrared Second Longest Wavelength Gamma ray Longest Wavelength

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Q: A few different types of electromagnetic radiation are listed in the table below. Complete the table…

A: The objective of the question is to find the lowest energy orbital and arrange the given…

Q: Diagram A is on the left and Diagram B is on the right. Which of the following is true? A and B have…

A: The distance between the two adjacent crests and troughs is called Wavelength. The number of waves…

Q: Question 3: A hydrogen atom in the ground state interacts with a photon with a wavelength of 3.650 x…

A: Energy of a energy of photon hx2 =heλ      e=speed of light and λ=wavelengthh=6.63×10-34 J Sc=3×108…

Q: When a gas such as Neon is heated and emits light that is then placed in a prism and an emission…

A: The emission spectrum of a chemical element or chemical compound is a spectrum of electromagnetic…

Q: n=2 PHOTON n=2 РHOTON n=1 n=1« FIGURE I FIGURE II Which figure correctly represents when LIGHT IS…

A: An electron jumps to a higher state when it absorbs energy or photons. An electron returns to a…

Q: What is the wavelength of electromagnetic radiation, which corresponds to a frequency of 3.68 × 108…

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Q: Calculate the wavelength of yellow light in nanometers if the light has a frequency of 4.14 x 1014…

A: Given information: frequency = 4.14 x 1014 s-1

Q: Why does each element have a unique atomic emission spectrum? Use the following vocabulary in your…

A: Given: Each element has a unique atomic emission spectrum.

Q: if an electron transition between energy levels 4 and 1 leads to a photon of blue light being…

A: The atoms of elements possess electrons in the valence shell along with their presence in the inner…

Q: a A photon with a wavelength of 93.8 nm strikes a hydrogen atom, and light is emitted by the atom.…

A: Wavelength = 93.8 nm

Q: Visible light makes up the largest portion of the electromagnetic spectrui True False

A: Visible light is which can be see by human eyes.

Q: Using these data, find the experimentally determined value of Planck's constant, ℎh , and the…

A: The value of plancks constant h = 6.63 x 10-34 J sAverage value of frequency = 3x1015 /sAverage…

Q: What

A: We have to choose Correct option

Q: An energy of 254 kJ / mol is required to eject electrons from a particular metal surface. What is…

A: Photoelectric effect is the phenomenon in which light strike on the metal surface and the electron…

Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.