4000 Å 5000 6000 7000 1 Na Ca Hg 4000 Å 5000 6000 7000 Figure 6.13 Compare the two types of emission spectra: continuous spectrum of white light (top) and the line spectra of the light from excited sodium, hydrogen, calcium, and mercury atoms.

Q: In 1911 Ernest Rutherford did a famous experiment using fast-moving alpha particles as bullets and…

A: Ernest  Rutherford  experiment is explain are as follow.

Q: What important constant was determined using data from the photoelectric effect experiments?…

A: The experiment of discharge of electrons from a specific metal surface when different…

Q: Which of the following statements are true? I. An excited atom can return to its ground state by…

A: Electromagnetic radiations are the waves having both electric and magnetic fields and travel at the…

Q: How many unpaired electrons are found in a ground state atom of Po?

A: Polonium:  Symbol: Po  Atomic number (Z): 84  Period number: 6 Group number: 16 or 6A  Hence in…

Q: 003 General Chemistry C OWLV2 | Online teaching and learning resource from Cengage Learning G Choose…

A: Option C is the correct answer. A consequence of the Heisenberg uncertainty principle is that in the…

Q: Based on your observations, what is the correlation between electron configuration of an atom and…

A: In an atom, there is nucleus at the centre and electrons are revolving around it Nucleus is made up…

Q: 1.  A photon of electromagnetic radiation has an energy of 1.85e-19 J. a) Calculate the frequency…

A: a.

Q: What is the maximum number of electrons that can occupy the 2d subshell?

A:

Q: Which representation conveys that the probability of finding an electron at the nucleus is zero?

A: In the context of quantum mechanics, the representation that conveys that the probability of finding…

Q: Consider the outermost occupied shell of Ga. How many uniquely derived ml (magnetic quantum number)…

A:

Q: 1. Write the electron configuration for the following atoms and then indicate the highest occupied…

A: Write electronic configuration and indicate the highest occupied shell and subshell ---

Q: The energy required to ionize boron is 801 kJ/mol. What minimum frequency of light is required to…

A: Energy = 801 kj/mol

Q: 5. That's in the visible spectrum! Let's go further and find two more wavelengths emitted by…

A:

Q: The maximum numbers of electrons in a 4d subshell is

A: Each of the orbital in a 4d subshell can hold a maximum of two electrons each.

Q: Explain how an emission spectrum is obtained.

A: An emission spectrum is a pattern of wavelengths of light emitted by an excited atom or molecule.

Q: Consider the silver atom. For how many electrons does this atom have n = 5 and l = 0?

A: The complete electron configuration of the silver atom is:1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d10

Q: What is meant by saying that the energy of an electron is quantized?

A:

Q: Based on the photoelectron spectrum, identify the unknown element and write its electron…

A: a) based on the given photo electron spectrum the predicted electronic configuration of the element…

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.

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.