Electron Configuration Basics

• Potassium

• Calcium

• Scandium

• Titanium

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DOK Level 1: Recall

What is the electron configuration for a neutral oxygen atom?

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DOK Level 1: Recall

• Potassium

• Calcium

• Scandium

• Argon

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DOK Level 1: Recall

What is the electron configuration of a neutral fluorine atom?

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DOK Level 1: Recall

What is the electron configuration for a neutral nitrogen atom?

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DOK Level 1: Recall

The complete electron configuration for aluminum: ​ (a)   ​ (b)   ​ (c)   ​ (d)   ​ (e)  

• 2s2

• 2p6

• 3s2

• 3p1

• 1s2

• 1s3

• 2p2

• 3d2

• 2s1

• 2p1

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NGSS.HS-PS1-1

What is the electron configuration of Iodine?

• [Kr]5s²4d¹⁰5p⁶

• [Kr]5s²4d¹⁰6p⁶

• [Kr]5s²5d¹⁰6p⁶

• None of the above

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NGSS.HS-PS1-1

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc

• Copper

• Nickel

• Germanium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

All orbitals of equal energy are occupied by one electron before any single orbital is occupied by a second electron.

• Aufbau principle

• Pauli exclusion principle

• Hund’s rule

• Core Notation

An electron occupies the lowest energy orbital that can receive it.

• Hund’s rule

• Pauli exclusion principle

• Bohr model of the atom

• Aufbau principle