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Chem 101 > Atomic Geometry and Lewis Dot Diagrams > Flashcards

Atomic Geometry and Lewis Dot Diagrams Flashcards

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1
Q

What is the electron group geometry of a AX5 atom

A

trigonal bipyramidal

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2
Q

What is the electron group geometry of a AX4E atom

A

trigonal bipyramidal

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3
Q

What is the electron group geometry of a AX3E2 atom

A

Trigonal bipyramidal

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4
Q

What is the electron group geometry of a AX2E3 atom

A

Trigonal Bipyramidal

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5
Q

What is the electron group geometry of a AX6 atom?

A

Octahedral

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6
Q

What is the electron group geometry of a AX5E atom

A

Octahedral

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7
Q

What is the electron group geometry of a AX4E2 atom

A

Octahedral

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8
Q

What is the electron group geometry of a AX4E2 atom

A

Octahedral

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9
Q

What is the atomic arrangement of a AX2E2 atom?

A

Bent (angular) (v-shape)

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10
Q

What is the atomic arrangement of a AX5 atom?

A

trigonal bipyramidal

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11
Q

What is the atomic arrangement of a AX4E atom?

A

Seesaw

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12
Q

What is the atomic arrangement of a AX3E2 atom?

A

T-shape

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13
Q

What is the atomic arrangement of a AX2E3 atom?

A

Linear

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14
Q

What is the atomic arrangement of a AX6 atom?

A

octahedral

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15
Q

What is the atomic arrangement of a AX5E atom?

A

square pyramidal

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16
Q

What is the atomic arrangement of a AX4E2 atom?

A

Square Planar

17
Q
A
18
Q

What are the exceptions to the octet rule?

A
  1. Expanded Valence shells
    - Elements in the period 3 and beyond can have 8+ shells around them (due to the presence of d orbitals)
  2. Incomplete Octets
    - Be, B, and Al may have less then 8 electrons
  3. Odd-electron species
    - an electron that doesn’t fit into a pair or a bond
19
Q

Can you double bond fluorine?

A

NOPE

20
Q

Formal Charge

A

The difference between the number of valence electron in three atom and the number of electrons assigned to it in the molecule

21
Q

Valence Bond Theory

A

A covalent bond is formed when atomic orbitals overlap and a pair of electrons is located in the region between atoms

22
Q

How many effective bonds are in a triple bond?

A

1

VESPR theory considers multiple bonds as only 1 effective pair

23
Q

Resonance (atomic geometry)

A

The molecule can have more than one structure

Chem 101 (4 decks)

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