Chemistry

Chemistry, 25.07.2019 06:30, laquiataylor948

Give the ground state electron configuration for lead

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Physics, 20.08.2019 21:30, sleepingfrosty5611

Ignoring, for the moment, electron spin and electron-electron interaction, suppose that one electron in a helium atom is in the ground hydrogen-like state (0,0,0) and the other is in an excited state (un, l, (i) explain why w(r1, r2) = w0,0,0(r1)& n,1,mų (r2) is not a suitable wave function to describe the helium atom in this state. (ii) explain how this problem is overcome? (b) assume now that spin and electron-electron interaction are taken into account. all states of the atom can be classified as singlet states or triplet states. answer the following questions: (i) give a brief explanation of what distinguishes a singlet state from a triplet state. (ii) the singlet and triplet states of the same electron configuration have different energies. explain why. (iii) draw a schematic diagram showing the states for a helium atom for an electron configuration 1s2p, taking account of electron-electron interaction, exchange energy and spin-orbit coupling effects. spacings do not need to be to scale, but you should label the levels with relevant quantum numbers and spectroscopic notation. (iv) for the ground state electron configuration 1s”, explain why there is a singlet state only.

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Chemistry, 16.09.2019 04:30, genyjoannerubiera

1.) what is the ground state electron configuration of fe? how many valence electrons does iron have? how many unpaired electrons are in the ground state of fe? 2.) write out the electron configurations of the following atoms using an inert gas core. for each atom, give the orbital that will have the valence electron that will experience the smallest effective nuclear charge? which will experience the greatest zeff? 1. s 2. cu 3.) which electron configuration violates hund's rule? which violates the pauli exclusion principle? which violates both? 1s 2s 2p i. (↑↓) (↑↓) (↑ ) ( ) ( ) ii. (↑↓) (↑↓) (↑ ) (↑ ) ( ) iii. (↑↓) (↑↓) (↑↓) (↑ ) ( ) iv. (↑↓) (↑↑) (↓ ) (↓ ) ( ) v. (↑↓) (↑↓) (↑↑) (↑ ) ( )

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Chemistry, 21.09.2019 14:30, TashaKessler3355

Give the actual ground-state electron configuration for copper (cu) using the complete form. express the electron configuration using superscripts where appropriate. for example, the configuration for li would be entered as 1s^22s^1.

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Chemistry, 02.11.2019 04:31, maciemarklin3522

Chemistry 11 orbital theory 1. for each of the following elements, 9 configuration according to the orbital theory. following elements, give the electron distribution according to bohr, and the electron abreviated electron electron distribution configuration electron configuration a) nickel b) arsenic c) gold 2. an atom has the electron configuration 1s 2s 2p 3s 3p? a) how many electrons does this atom have? 12 b) what are the name and symbol of this atom? mo c) this atom is not in the ground state. what would its electron configuration be in the ground state?

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