Describe the Bohr model for the atom. How did the Bohr model account for the emission spectra of atoms?

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: What is meant by the ground state of an atom? (a) All of the quantum numbers have their lowest…

A: In the question, it is asked that what is defined as the ground state of an atom. The options are…

Q: Explain the difference between the Bohr model for the hydrogen atom and the quantum-mechanical…

A: The differences between the Bohr model for the hydrogen atom and quantum- mechanical model are as…

Q: The incorrect representation of the Bohr atomic model shown in Figure 2 was found on the internet.…

A: 5 statements are given . We have to choose one incorrect statement

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: the bohrs model of the atom included the idea that

A: The bohrs model of the atom included the idea that :  1) The electron can have only certain…

Q: What is meant by the phrase, "the energy of an electron in a given orbital is quantized"? In…

A: The given statement means that the electrons of the given orbitals exist at a particular levels of…

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: Explain how an emission spectrum is produced.

A: The lowest energy state of an atom is known as its ground state while the higher energy states are…

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: What does The Pauli exclusion principle state?

A: Quantum number: It is defined as packet of energy that is associated for each electron in an orbit.…

Q: Without using quantum numbers, describe the difference between the shells, subshells and orbital of…

A: Without using quantum numbers, describe the difference between the shells, subshell, and orbital of…

Q: Calculate the wavelength of the light emitted when an electron in a H ATOM DROPS FROM THE 6th to the…

A: Electron is jumping from 6 to 3 . So ni =7 and nf = 3 Using the formula of energy for hydrogen atom…

Q: How many orbitals have a principal quantum number of 3 and a secondary quantum number of 2? What…

A: There are four atomic quantum numbers: Principle quantum number (n): It gives information about the…

Q: How does the Bohr theory account for the observed phenomenon of the emission of discrete wavelengths…

A: Niels Bohr described the structure of the hydrogen atom as a densely packed nucleus of protons and…

Q: What is meant by the term electromagnetic spectrum?

A: The electromagnetic spectrum is the term used in science to explain the complete range of light that…

Q: The Pauli Exclusion Principle tells us that no two electrons in an atom can have the same four…

A: The 4 quantum numbers are  1) n = the principal quantum number where value of n = shell number 2) l…

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: Which statement below is true with regard ?to Bohr's model of the atom The model accounted for the…

A: Two questions based on atomic structure, which is to be accomplished.

Q: How does the Bohr theory account for the observed phenomenon of the emission of discrete wavelengths…

A: Neil Bohr constructed a model of atom where electrons move in the circular orbits around the nucleus…

Q: How are the Bohr model and the Rutherford model of the atom similar? How are they different?

A: Postulates of Bohr atomic model: In an atom, electrons (negatively charged) revolve around the…

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: Which of the following statements about an electron is TRUE according to the quantum mechanical…

A: A multiple choice question based on quantum mechanical model of atom, which is to be accomplished.

Q: The Bohr model states that electrons in the n = 1 electronic shell have lower energy than electrons…

A: As we know bohr model states for first shell electron is closest to nucleus and its energy is fixed.…

Q: What are the possible values of the principal quantum number n? What does the principal quantum…

A: Quantum numbers-  Each orbital is in an atom is designated by four set of quantum numbers. These…

Q: What does it mean for the energy levels in an atom to be quantized? Describe how this affects where…

A: When the energy levels in an atom is quantized that means energy is in certain discrete values.

Q: What are the possible values of the principal quantum number n?

A: The principal quantum number tells about the energy and size of the shell.

Q: 1. How can you describe the energy states of an electron? (explain in terms of quantum numbers

A: An electron if present in the lowest possible energy level, that state is called ground state. If…

Q: What are the contribution of Max Planck, Erwin Schrodinger, Niels Bohr, Albert Eisntein,and  Louis…

A: The contribution of several scientist in quantum mechanics:- 1) Albert Einstein:- He discovered…

Q: (1) What is the complete ground state electron configuration for the arsenic atom? (2) What is…

A: The electronic configuration can be defined as the distribution of electrons of atoms in atomic…

Q: Based on the Bohr model of the atom, if an electron underwent a change from n 2 to n 3, would the…

A: Electron is undergoing a change from n= 2 to n = 3

Q: The complete orbital notation diagram of an atom is shown. Based on the diagram, what values can be…

A: The given atom contains total 13 electrons. This indicates that the atom is Aluminium (Al).

Q: Explain the difference between the Bohr model for the hydrogen atom and the quantum-mechanical…

A: Interpretation - The difference between the Bohr model for the hydrogen atom and the…

Q: What is the ratio of the 6th orbital to the 2nd orbital in the Bohr model of the atom?

A: Correct Answer is - 9:1. Explanation can be shown bel

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: 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 does the emission spectra support the idea of quantized energy levels?

A: Emission spectra is observed when an e- from an excited state returns to the ground state. When an…

Q: What would we need to be able to observe all the possible wavelengths in the hydrogen spectrum?

A: Hydrogen is an element having atomic number 1 and symbol H.

Q: How does the emission spectrum support the idea of quantized energy levels

A: Energy quantization allows electrons to move from one energy level to another rather than random…

Q: Define the term The Bohr? What is its role?

A: Answer  The term of Bhor : -  Hypothetical path of different energy…

Q: The nucleus of a gold atom contains 79 protons. How would you expect the energy required to remove a…

A: Calculate the energy required to remove an 1s electron from ground state of gold atom:Atomic number…

Q: Which of the following statements about an electron is TRUE according to the quantum mechanical…

A:

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…

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.