Explain how an emission spectrum is produced.

Q: What is the shape of an s orbital?

A: Orbital is a three dimensional representation where the probability of finding an electron is…

Q: The emission spectrum of a hydrogen atom consists of a series of lines. Explain why this suggests…

A: Neil Bohr introduced hydrogen model in 1913. He described hydrogen model as a positively charged…

Q: Why are only certain wavelengths emitted from an atom?

A: Given: Only certain wavelengths emitted from an atom.

Q: Use the periodic table and determine the shorthand electron configuration of each of the following…

A: To find the short hand electron configuration of the following atoms: Zr Br K

Q: In order to complete the quantum mechanical picture, a 4th quantum number called the spin quantum…

A: Spin quantum number is related to the spin of an electron.An electron assumed to be spinning…

Q: Explain why ionized calcium can form absorption lines, but ionized hydrogen cannot.

A: Absorption lines occur when an atom absorbs a photon with an energy equal to the difference between…

Q: How does the quantum-mechanical model account for the chemical properties of the elements?

A: The chemical properties of any element largely depends upon the electronic arrangement in their…

Q: Outline the basic features of the theory of atomic structure developed by Bohr and explain how it…

A: The postulates of Bohr's Model are :-  (1) An electron moves around the nucleus in a circular orbit.…

Q: Is this line in the visible region of the electromagnetic spectrum? If so, what color is it?

A:

Q: Using the Bohr model, calculate the wavelength of light associated with the emission from n = 3 to n…

A: Atomic number of hydrogen atom , Z = 1 ni = 3 nf = 1

Q: What is the ground state of the atom?

A: An atom is a minute particle consisting of a nucleus. Nucleus consists of protons and neutrons. The…

Q: Why caesium is used in photoelectric cells?

A: Caesium (Cs) is a rare element. It belongs to alkali group and is a soft and silvery-gold…

Q: Question 19 Which of the following is true about emission spectra? emission of energy from elements…

A:

Q: How many unpaired electrons are present in the ground state of an atom from each of the following…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: describe an atomic emission process ( as it gives rise to a portion of an emission spectrum)

A: The chemical compound emits electromagnetic radiations when transition occurs from high energy state…

Q: Use the periodic table and determine the shorthand electron configuration of each of the following…

A: Shorthand electron configuration is the electronic configuration written for the elements by…

Q: Which statement about electromagnetic radiation is false? a) As frequency increases, wavelength…

A: Here, we have to find the statement that is false about electromagnetic radiation.

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: How does Planck's idea of quantization explain how light is emitted by an atom?

A: Max Planck postulated that energy was quantized and could be emitted or absorbed only in integral…

Q: Describe the Bohr model for the atom. How did the Bohr model account for the emission spectra of…

A: Bohr model of hydrogen atom was given by Neil Bohr. It was based on the following postulates. 1) The…

Q: explain the concept of penetration and shielding. Make reference to energy.

A:

Q: Calculate the highest possible energy of a photon that can be observed in the emission spectrum of…

A: Energy of emitted photon is given by  Ephoton = E1 - E2                where E1 = energy of final…

Q: A sample of excited atoms lie 3.470×10−19 J above the ground state. Determine the emission…

A:

Q: Explain how astronomers are able to tell which elements are present in distant stars by analyzing…

A: Astronomers are able to tell which elements are present in distant stars by analyzing the…

Q: explain structure and fine structure of an atom in quantum mechanics in detail

A: Molecular quantum mechanics, is a branch of chemistry focused on the application of quantum…

Q: 1.1 The characteristic wavelengths of light absorbed by and emitted from an atom is known as the…

A: An atom changes from ground state to excited state by taking energy of surroundings.Its called…

Q: Arrange the different types of electromagnetic radiation by wavelength. Only include the items that…

A: electromagnetic waves are the type of waves which are affected by the change of electric as well as…

Q: Briefly explain how and why the spectrum associated with a particular element contains discrete…

A:

Q: Why is it more difficult to cause photons to be emitted from neon?

A: Ionization energy: Ionization energy is the minimum amount of energy required to remove the most…

Q: 1. What is the cause of the atomic emission spectrum of an element?

A: Given: To give the causes of atomic emission spectrum of an element

Q: 4. How are X-Rays generated, what are characteristic X-Rays and Bremsstrahlung.

A: X-rays are one type of radiation called electromagnetic waves . X-ray imaging creates pictures of…

Q: What is the electron configuration of an excited state of an oxygen atom?

A: Electronic configuration tells about distribution of electrons in the shell, subshells and orbitals…

Q: Consider the following types of electromagnetic radiation:(1) Microwave(2) Ultraviolet(3) Radio…

A:

Q: What is needed for an electron to jump  to a higher energy level? What happens when an "excited"…

A: Absorption of energy in molecules.

Q: ) The Hydrogen emission spectrum provide evidence for the existence of different energy levels as it…

A: Solution :      Emission is defined as an escape of electrons from the metal surface. When electrons…

Q: Calculate the frequency of the red light emitted by a neon sign with a wavelength of 659.9 nm.

A:

Q: What is responsible for the colors observed in a hydrogen emission spectra?

A: Hydrogen spectra has various energy levels. The most intense line in hydrogen spectrum is red.

Q: How to measure the emission spectrum of Hydrogen, Neon and mercury vapors?

A: Emission spectrum of hydrogen: If we take hydrogen gas in a glass tube and pass electric current,…

Q: How can the energy of an absorbed photon be released without emission of light?

A: There are various ways by which an excited photon can release energy.

Q: What type of sublevels (s,p,d,f) are present in n-2?

A: In atomic structure  sub levels depends on principal quantum number(n) Subleveles types  s p d f

Q: Which form of electromagnetic radiation has photons with the highest energy? Radio Waves Infrared…

A: Gamma Rays, a form of nuclear and cosmic EM radiation, can have the highest frequencies and, hence,…

Q: What is the emission spectrum?

A: The electrons are present in various energy levels in an atom. Each energy level has a fixed amount…

Q: IR-Absorption is different from Atomic line spectra because a. a photon is absorbed but not emitted…

A: Absorption spectra: In this spectroscopy technique, photon or beam of light is passed through sample…

Q: Record your observations

A:

Q: 1.Why is it significant that the color emitted from the hydrogen emission spectrum is not white?

A: The emission spectrum of an element corresponds to the spectrum of frequencies  that an atom's…

Q: How are wavelength and frequency related? A. Wavelength is indepen

A: Wavelength is the distance between the two point’s successive highest points or lowest points in a…

Q: What is an orbital diagram?

A: An orbital diagram has to be explained.

Q: Give a brief history of the atom. Describe the Quantum numbers. Draw the shape of s, p, and d…

A: Atom is made up of electrons , protons and neutrons, in which proton and neutrons are present inside…