Orbital Diagrams and Electron Configuration - Basic Introduction - Chemistry Practice Problems

This chemistry video tutorial provides a basic introduction into orbital diagrams and electron configuration. It explains how to write the orbital diagram notation (with arrows) of an element given its atomic number and by extension - how to write the electron configuration of that element including ions of elements.
Speed of Light, Frequency, Wavelength:
• Speed of Light, Freque...
Photon Energy:
• How To Calculate The E...
The Photoelectric Effect:
• Photoelectric Effect, ...
De Broglie Wavelength:
• De Broglie Wavelength ...
The Bohr Model of Hydrogen:
• Bohr Model of the Hydr...
Heisenberg's Uncertainty Principle:
• Heisenberg's Uncertain...
________________________________
Intro to Quantum Numbers:
• Quantum Numbers
Orbitals & Atomic Energy Levels:
• Orbitals, Atomic Energ...
Maximum Number of Electrons:
• How To Determine The M...
Intro to Electron Configuration:
• Electron Configuration...
Electron Configuration Exceptions:
• Electron Configuration...
Noble Gas Notation:
• Electron Configuration...
Electron Configuration of Ions:
• Electron Configuration...
_______________________________
Orbital Diagrams:
• Orbital Diagrams and E...
Paired & Unpaired Electrons:
• How To Determine The N...
Aufbau's Principle & Hund's Rule:
• Aufbau's Principle, Hu...
Paramagnetic & Diamagnetic Elements:
• Paramagnetic & Diamagn...
Valence Electrons & Periodic Table:
• Valence Electrons and ...
Effective Nuclear Charge:
• How To Calculate The E...
_________________________________
Slater's Rule:
• How To Use Slater's Ru...
How To Identify The Element:
• Electron Configuration...
Quantum Numbers - Mega Review:
• Quantum Numbers - n, l...
Quantum Numbers - Practice Test:
• Orbitals, Quantum Numb...
Final Exams and Video Playlists:
www.video-tutor.net/
Full-Length Videos and Worksheets:
/ collections

[@TheOrganicChemistryTutor]

Final Exams and Video Playlists: www.video-tutor.net/ Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections

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[@georgesadler7830]

Professor Organic Chemistry Tutor, thank you for a Basic Introduction to Orbital Diagrams and Electron Configuration in AP/General Chemistry. The Orbital Diagrams is an excellent way to fully learn this material in Modern Chemistry. This is an error free video/lecture on KZbin TV with the Organic Chemistry Tutor.

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At the cobalt part, does that only apply to transition ions or it can also be applied to transition metals? Thank you!

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[@Xx_Eric_was_Here_xX]

for some clarification for the end, with the transition metals: the building principle (aufbau) ordering is different from the "leaving order", this is why the 3d orbital is 'built' before the 4s orbital, but when an anion forms the 4s is first to go the 'building order' follows the aufbau/diagonal diagram order, (ex, 4s before 3d) the 'leaving order' just follows energy level and orbital shape (ex, 4p, then 4s, then 3d, then 3p, etc....) but both of these principles are approximations that are proven to be not entirely correct with experimental data. for example, there are some exceptions to the building order with Chromium, Copper, Palladium, and others because of the way electrons prefer to fill more of the d-orbital (optimally 5 electrons with the same spin, occasionally 4) over filling the higher energy level s-orbital with 2 electrons of opposite spins. this also occurs in a similar way with the f-block elements. more info here: en.wikipedia.org/wiki/Aufbau_principle#Madelung_energy_ordering_rule

[@damonrossouw9732]

That's surprising....i was under the impression that 3d orbitals were higher energy than 4s🤔

[@EasyDaliyEnglish]

The 4 in the orbital means it’s the ‘n’ shell/engergy which is the last shell in the atom therefore it has higher energy

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[@scottmurayama5007]

What properties do "transition metal ions" obtain by skipping an energy level and filling up the next energy level, without fillling in the previous energy level ?

[@nurulfarhanahhuzairi2322]

I think maybe bcs orbitals with lower energy levels are fully filled. So , he just skipped it , and write the highest energy level orbitals.

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So does that mean diamagnetic atoms are all the even atomic numbers when neutral charge?

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great video. A bit confused on how for cobalt, why does it end with 4s2 3d7

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is it possible to shorten a orbital diagram like the electron configuration?

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Hey ! May I know why do we have to remove 2 electrons from higher energy level in cobalt ion?

[@SomeOne-rx2xw]

@@TIMEispreciousthanGOLD because Co2+ has fewer electrons than protons(2 more protons than electrons), the atomic number is 27 so 27-2=25electrons, the electrons are taken out from the highest energy level in the Cobalt atom which is n=4.

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