iew.pms/mod/HW 3ADHAA Activities and Due DatesResourc12600Use the electron arrangement interactive to determine the order in which the orbitals are filled.Filled lastЗра, Зру, Зр,2px, 2py, 2pz3s2s1sFilled firstAnswer Bankhelpabout usterms of useprivacy policycontact uscareerseN1Pip

Question
Asked Sep 15, 2019
iew.p
ms/mod/
HW 3
ADHAA Activities and Due Dates
Resourc
12600
Use the electron arrangement interactive to determine the order in which the orbitals are filled.
Filled last
Зра, Зру, Зр,
2px, 2py, 2pz
3s
2s
1s
Filled first
Answer Bank
help
about us
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contact us
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iew.p ms/mod/ HW 3 ADHAA Activities and Due Dates Resourc 12600 Use the electron arrangement interactive to determine the order in which the orbitals are filled. Filled last Зра, Зру, Зр, 2px, 2py, 2pz 3s 2s 1s Filled first Answer Bank help about us terms of use privacy policy contact us careers eN 1P ip

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Step 1

Electrons are filled in the orbitals in a way to minimize the energy of the atom. Therefore, the electrons in an atom fill the principal energy levels in order of increasing energy (the electrons are getting farther from the nucleus). The order of levels in which the electrons are filled is:

1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d and 7p

 

A simple way to remember the order is to follow the below pattern :

р
d
f
n-1
ls
n 2
Зр
n=3
35
ЗВ
За
n 4
Ad
4f
Ар
5s
5d
n=6
бр
бd
n 7
7s
Гр
n=8
8s
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р d f n-1 ls n 2 Зр n=3 35 ЗВ За n 4 Ad 4f Ар 5s 5d n=6 бр бd n 7 7s Гр n=8 8s

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Step 2

In the attached diagram, the given orbitals are
1s
2s
3s
2px , 2py , 2pz
3px , 3py , 3pz

The order in which the orbitals will be filled are:
1s   ...

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