Physics

Physics, 31.07.2019 12:50, cherryice68

The principle of quantum mechanics that states that orbitals of equal energy are each occupied by a single electron before any orbital is occupied by a second electron is known as the

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Chemistry, 28.06.2019 09:50, aubreerosehennessy95

According to hund's first rule, a set of degenerate orbitals are singly occupied first, before the second slot in any of the orbitals are populated. this is quite intuitive because electron-electron repulsions would make an atom more unstable if the electrons start filling two at a time in a single orbital.however, the rule also states that in the ground state, electrons that singly fill the orbitals will adopt the same spin. why is it necessary for the electrons to have the same spin?

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Chemistry, 13.07.2019 10:10, lukels1983

Answer as many as you want/can but put the question number beside the answer : ) 1.) most of the volume of an atom is occupied by the a. nucleus. b. nuclides. c. electron cloud. d. protons. 2.) ag-109 has 62 neutrons. the neutral atom has a. 40 electrons. b. 47 electrons. c. 53 electrons. d. 62 electrons. 3.) what is the maximum number of electrons in the second principal energy level? a. 2 b. 8 c. 18 d. 32 4.) for n = 4, the number of possible orbital shapes is a. 1. b. 4. c. 16. d. 32. 5.) according to the aufbau principle, a. an orbital may be occupied by only two electrons b. electrons in the same orbital must have opposite spins c. electrons enter orbitals of highest energy first d. electrons enter orbitals of lowest energy first 6.) the major difference between a 1s orbital and a 2s orbital is that a. the 2s orbital can hold more electrons. b. the 2s orbital has a slightly different shape. c. the 2s orbital is at a higher energy level. d. the 1s orbital can have only one electron.

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Chemistry, 31.07.2019 17:30, taliajohnsom9901

What is the single factor that classifies an element as a transition metal? question 16 options: a.the highest occupied orbital is aa "d" orbital b. all orbitals are filled with electrons except the "s" orbitals c. only the "s" orbitals are filled d. aall "s" and "p" orbitals are filled

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