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Atomic Structure Flashcards

(10 cards)

1
Q

Quantum Definition

A

amount of energy required to move an election from one energy level to another

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2
Q

What is Principal Quantum Number

A

Energy Levels (n)

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3
Q

What is Secondary Quantum Number

A

Sublevels (I)
s, p, d, f,
I starts at zero

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4
Q

What is Third Quantum Number?

A

The Orbitals (mI)
- each orbital holds max of 2 electrons

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5
Q

What is Fourth Quantum Number

A

the direction of electron spin (ms)

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6
Q

Aufbau principle

A

Electrons occupy the lowest energy first

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7
Q

Pauli Exclusion Principle

A

No two e- can have the same 4 quantum numbers

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8
Q

Hunds Rule

A

When elections occupy orbitals of energy, they don’t pair up until they have to

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9
Q

Stability

A
  • stable electron configuration is no longer exclusive to the octet rule
  • it incIudes atoms containing valance electrons

Best Stability
- fill an energy level
- fill a subshell
- half fill a subshell
Worst Stability

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10
Q

Electron Configuration Exceptions

A

i d k

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