Which of the following gives a possible quantum numbers assigment for the last electron added to the sodium atom when developing the electron configuration using the aufbau principle?

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Casey DurganLv2

13 Dec 2019

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Related questions

Give the set of four quantum numbers that could represent the last electron added (using the Aufbau principle) to the Ne atom.

A.	n = 2, l = 0, m_l = 1, m_s = +12
B.	n = 3, l = 1, m_l =1, m_s = +12
C.	n = 3, l =2, m_l = 1, m_s = â12
D.	n = 3, l = 0, m_l = 1, m_s = +12
E.	n = 2, l = 1, m_l = 1, m_s = â12

A: How many unpaired electrons are there in the predicted ground state configuration of a neutral ruthenium (Ru) atom according to the Aufbau principal?

B: What would be the predicted electron configuration for a Ni2+ ion?

C: How many unpaired electrons are there in the observed ground state configuration of a neutral ruthenium (Ru) atom?

D: Which group (column) of elements in the d-block has a different ground state distribution of electrons in the outermost s and d-orbitals for neutral atoms of each of its three elements?

E: Which elements in the d-block do NOT have the predicted electron configuration for the ground state of a neutral atom according to the Aufbau principal?