Q: Explain Hund's rule and the Pauli exclusion principle. Justify your answer by providing an example…
A: Hund’s rule states that in the orbitals of the subshell, the electrons fill one by one till the…
Q: explain pauli exclusion principle and hunds rule?
A: Hund’s rule states that in the orbitals of the subshell, the electrons fill one by one till the…
Q: Which subshell is represented by the lanthanides family? Which subshell is represented by the…
A: Lanthanides and actinides are f-bolck elements.
Q: Why do the noble gases have the lowest electron affinities?
A: The energy released when an electron is added to the outermost orbital of isolated gaseous neutral…
Q: Explain the exception in the ionization energy trend for the following elements: Magnesium, Nitrogen…
A: Ionization energy is the energy required to remove the outermost electron from an isolated gaseous…
Q: The box orbital diagram corresponding to p3 is The box orbital diagram corresponding to p4 is…
A: Box orbital diagram is one of the way of writing electron configuration of atom. In this orbitals…
Q: Which substance has the larger first ionization energy, sodium or rubidium? Why?
A: Sodium has the larger first ionization enegy as compare to rubidium
Q: There are three fundamental rules that we use in writing electronic configurations for atoms and…
A: A question based on atomic structure that is to be accomplished.
Q: Which of the following statement about the * ?four quantum numbers is incorrect |= subsidiary (or…
A:
Q: Write the electron configuration and fill in the orbital diagram for the following atoms (use the…
A: Filling in the Orbital diagram for the following atoms:-
Q: What are the rules that the Aufbau principle states for filling the orbitals with electrons?
A: Aufbau principles basically depict order in which electrons are needed to be filled in atomic…
Q: The lowest energy orbital in the quantum-mechanical model is the: Group of answer choices a. none of…
A: e). 1s orbital
Q: The lowest energy orbital in the quantum mechanical model is the zero orbital 1a orbital 1p…
A: Given that : We have to identify which orbital in the quantum mechanical model has the lowest…
Q: last electron of nickel quantum numbers?
A:
Q: What is the valency of krypton?
A: Krypton is a noble gas element.
Q: The scientist who first proposed the order of electron distribution within subshells was _______.…
A:
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: In what region of the periodic table will you find elements with relatively high IEs? With…
A: IE here refers to the ionization energy of an atom. It is the energy required by an isolated atom to…
Q: Nelis Bohr has made considerable contributions to the concepts of atomic theory. describe his…
A: Niels Bohr hydrogen spectra experiment has to be described & how he used his experimental…
Q: what are the quantum numbers that describe the last outermost electron of platinum?
A: The electronic configuration of platinum (Z=78) is [Xe]4f145d96s1 The outermost electron of platinum…
Q: Ionization energy tends to increase from left to right on the periodic table. There are two…
A: In an atomic model with a single electron (Bohr model), the electron strength depends only on the…
Q: Which of the following ion(s): Ga3+, Zn2+, Ge2+, and Ca2+, can have the following orbital box…
A: Electronic configuration for Zn2+ is: and can be written as [Ar] 3d10 Similar is the configuration…
Q: What is the longest wavelength line (in nanometers) in the Paschen series for hydrogen?
A: For Paschen series for hydrogen, the electron should be excited from n=3 to n=4 to obtain the…
Q: For each of the following elements, indicate which set of orbitals is filled last. radium, ? = 88…
A: 1. Radium(Ra) Atomic number of Ra is 88. The electronic configuration of Ra is [Rn]7s2. Therefore,…
Q: why half filled and fully filled subshells are more stable?
A: Half-filled and fully filled subshells are more stable because,(1) Symmetry(2) Exchange energy.
Q: Which of the following ion(s): Ga3+, Zn2+, Ge2+, and Ca2+, can have the following orbital box…
A: The electron filling in any neutral atom as well as ions is governed by certain rules which state…
Q: Which of the following statements is true? Bohr's model confirmed the existence of orbitals. O It is…
A:
Q: According to the Bohr model, is electromagnetic radiation emitted or absorbed when the electron in a…
A: As per Bohr’s atomic model, the higher energy orbitals have higher energies and lower energy…
Q: For which blocks of elements are outer electrons the same asvalence electrons? For which are…
A: Outer electrons are the no. of electrons in the outermost shell (nth shell). Valence electrons are…
Q: Explain the trends observed in the following figure, which shows the first ionization energy as a…
A: The minimum amount of energy required to remove the single outermost electron from the atom is…
Q: Galium (Ga) is an element in group III with atomic number 31. By referring to the Periodic Table,…
A: Ionisation energy is amount of energy required to remove electrons from outermost shell of an atom.
Q: How many d-orbitals can exist at the second energy level?2. How many d-orbitals can exist at the…
A: Energy level:- These are the levels where electrons can be found and these lies at specific distance…
Q: What is the electron configuration abbreviated form and orbital diagram of atom Bk and how many…
A: The electronic configuration, orbital diagram, and number of unpaired electrons in atom of Bk has to…
Q: a. With what element is the 3s subshell first completely filled?b. With what element is the 5d…
A:
Q: Which of the following ion(s): Ga3+, Zn2+, Ge2+, and Ca2+, can have the following orbital box…
A: Answer: Configuration of Ca2+ = 1s2 2s2 2p6 3s2 3p6 Configuration of Zn2+ = [Ar] 3d10 Configuration…
Q: explain why there are 14 members of each f block series
A: no. of orbitals in f block series: 7 in f orbitals, we can can have maximum of 14 electrons
Q: In my chemistry class we are doing Electron configurations I understand the complete notation, I…
A: Given,The given electronic configuration is 1s22s22p63s23p64s23d6
Q: What is a hydrogen-like atom, and how are the energies and radii of its electron orbits related to…
A:
Q: There are three fundamental rules that we use in writing electronic configurations for atoms and…
A: The electrons in an atomic orbital are filled according to the three rules: Pauli exclusion…
Q: Explain what is meant by the Pauli Exclusion Principle.
A: We have to explain the Pauli Exclusion Principal.
Q: According to Aufbau's principle, 5s orbital is filled before 4d orbital because: 4d orbital has low…
A: Aufbau's rule follow (n+l) rule
Q: If ml = +1 for a certain orbital, this orbital cannot be which of the following? a. s orbital b.…
A: ml stands for the magnetic quantum number. It specifies the orientation of an orbital in space. Its…
Q: According to the Bohr model, is electromagnetic radiation emitted or absorbed when the electron in a…
A: According to the Bohr Model of atom 1. The transition from lower energy level to higher energy revel…
Q: What can be concluded about a hydrogen atom with an electron in the d- state? a) The atom is…
A: For d electron, l=2 Angular momentum= (√l(l+1))h Upon substitution, we get: Angular momentum =…
Q: Only orbits of certain radii, corresponding to specific energies, are permitted for the electron in…
A: Bohr model of hydrogen atom successfully explained the model of an atom.
Q: Why Pauli’s principle is called Exclusion principle? Explain it with 2Px1 and 2Py1 electron of…
A: It states that in a single atom no two electrons have same quantum numbers.
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- Wave [Select] has the shortest wavelength. This means that in relation to the other waves, it has the: [Select] associated with it. [Select] frequency. [Select] B [ Select] wavenumber. ♦ î energy period.Calculate the frequency of visible light having a wavelength of 486 nm. ( Answer in s-1, to 3 sig figs. )Activating C-H bonds is a popular research target for chemists, particularly for pharmaceuticals. Older methods used light to initiate the bond breaking. Breaking 1 mole of C-H bonds requires about 413 kJ. What would be minimum frequency of a photon needed to break a single (1) C-H bond? © 1.03 × 1015 Hz 5.25 x 10¹5 Hz 4.98 × 10¹4 Hz O 872 × 1014 Hz O
- Which of the following describes visible light spectroscopy? Group of answer choices A method of measuring the amount of energy 400 nm - 700 nm due to absorption by electrons in the sample. A method of measuring the amount of energy 400 nm - 700 nm due to emission by electrons in the sample. A method of measuring the amount of energy 0.8 ?μm - 2.5 ?μm due to absorption by electrons in the sample. A method of measuring the amount of energy 0.8 ?μm - 2.5 ?μm due to emission by electrons in the sample. A method of measuring the amount of energy 100 nm - 400 nm due to absorption by electrons in the sample. A method of measuring the amount of energy 100 nm - 400 nm due to emission by electrons in the sample.a. Draw out the electronic levels and occupations (with electrons as arrows) of the ground-state of the beryllium atom? b. Draw out the electronic levels and occupations (with electrons as arrows) of the excited-state of the beryllium atom? Be comprehensive.' For a cobalt (Co) atom in its ground electronic state: How many electrons are there in the 4s orbital? . Number (Enter an integer.) (Enter an integer.) How many electrons are there in the 3d orbitals? - Number (Enter an integer.) How many electrons are there in the 4p orbitals? Number How many unpaired electrons are there? Number (Enter an integer.) To what block does this atom belong? (Enter s, p, d, or f.)
- What is the frequency of radiation with a wavelength of 442 nm? What region of the EM spectrum would this light be in? Enter your answer here Save Answer 114. A wavelength of 254 nm was formerly used in certain analyses for organic compounds because it is the most intense 8 wavelength emitted by a mercury lamp. Today, however, mercury lamps are no longer used in those instruments. a. What is this wavelength in centimeters? b. What is the frequency corresponding to this wavelength? c. What is the energy of light of this wavelength? d. What is the wavenumber corresponding to this wavelength? 15. Which has a greater frequency, light of wavelength 627 A or light of wavelength 462 nm? 16. Which has the longer wavelength, light with a frequency of 7.84 x 1013 sec-1 or light with an energy of 5.13 x 10-13 J?9. What is the energy of light with a wavelength ofa. 462 cm?b. 46.9 nm?10. What is the wavelength of light with energy ofa. 4.29 x 10-24 J?b. 9.03 x 10-22 J?11. What is the wavenumber of light with a frequency ofa. 5.28 x 1012 sec-1?b. 3.17 x 1013 sec-1?
- Energy of 5s subshell is lower than that of 4d. Select one: O True O False1. a)Which method, AES or XPS, is better for resolving chemical shifts and why? b) Why is the AES uses dN/dE plot instead of N(E) directly? c) Can Auger electrons be non-core electrons? d) What is the maximum depth of AES?White light passes through a white or clear sample and is collected by a detector. Which absorption spectra could be correct? Select all possible answers. Absorbance O B -400 nm Absorbance -700 nm B -400 nm wavelength A Absorbance wavelength 400 nm 700 nm wavelength