Chemistry Chapter 4 Review

“Electron Configuration”

Electron Electron ConfigurationsConfigurations

Rules and Principles

Energy Levels, Sublevels, and

Orbitals

Famous Famous ChemistsChemists

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Sulfur

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What is 1s22s22p63s23p4?

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The abbreviated electron configuration for I.

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What is [Kr] 5s24d105p5?

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Lutetium

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What is 1s22s22p63s23p64s23d104p6

5s24d105p66s24f145d1?

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The abbreviated electron configuration for neon.

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What is [He] 2s22p6?

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Copper

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What is 1s22s22p63s23p64s23d10 4p6

5s14d10? (yes this is right!!! Look in your book

at Exceptions pg. 153)

Two electrons must spin in opposite directions.

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What is the Pauli Exclusion Principle?

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Electrons are assigned to the lowest energy levels

first.

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What is the Aufbau Principle?

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Electrons must be added to orbitals one at a time

with parallel spin.

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What is Hund’s Rule?

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The rule/principle that is broken…

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3d6

What is the Pauli Exclusion Principle?

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Draw the orbital diagram for O.

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1s22s2

2p4

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1s2

2s2

2p4

The number of sublevels in the 3rd energy level.

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What is 3 (3s, 3p, 3d)?

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The number of electrons in the 2nd energy level.

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What is 8?

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The shape of the “d” orbitals. (4 out of 5)

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What is a cloverleaf shape?

The model that uses energy levels, sublevels

and orbitals. (Hint: Schrodinger)

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What is the Quantum Mechanical Model?

The number of orbitals found in the 4th energy

level.

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What is 16?

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Quantum Mechanical Model

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Who was Schrodinger?

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Energy levels

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Who was Bohr?

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Photoelectric Effect

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Who was Einstein?

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Quantum or quanta

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Who was Plank?

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Teacher of Bohr

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Who was Rutherford?

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