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Bonding Flashcards

(22 cards)

1
Q

Electronegativity

A

The attraction of an atom for a shared pair of electrons in a covalent bond

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2
Q

Atoms with a high IE also have a..

A

High electronegativity

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3
Q

Polar covalent

A

One atom has slightly more attraction than the other

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4
Q

Covalent

A

Both atoms have equal attraction

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5
Q

Ionic bonding

A

When there’s a large difference in electronegativity -> electron transfer from the low E-neg atom to the high E-neg atom

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6
Q

What is a covalent bond

A

The electrostatic force of attraction that the nuclei have for the shared pair of electrons

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7
Q

What is special about phosphorus onwards

A

They can expand the octet

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8
Q

What does VSEPR stand for

A

Valence shell electron pair repulsion

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9
Q

VSEPR Theory

A
  1. Pairs of electrons repel and take up positions as far apart as possible
  2. There is an order of repulsion:
    LP-LP>LP-BP>BP-BP
  3. Double bonds have the same repulsion as single bonds
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10
Q

2 pairs of electrons

A

Linear

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11
Q

3 pairs of electrons

A

Trigonal planar

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12
Q

4 bonding pairs of electrons

A

Tetrahedral

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13
Q

3 bonding pairs and 1 lone pair of electrons

A

Trigonal pyramid

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14
Q

2 bonding pairs and 2 lone pairs of electrons

A

V-shaped/Bent

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15
Q

5 bonding pairs of electrons

A

Trigonal bipyramid

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16
Q

4 bonding pairs and 1 lone pair of electrons

17
Q

3 bonding pairs and 2 lone pairs of electrons

18
Q

2 bonding pairs and 3 lone pairs of electrons

19
Q

6 pairs of bonding electrons

20
Q

5 bonding pairs and 1 lone pair of electrons

A

Square pyramid

21
Q

4 bonding pairs and 2 lone pairs of electrons

A

Square planar