S2.2 COVALENT MODEL Flashcards by Riana Dutta

Q

exceptions to octet rule

A

H and He (only 2)
Be (only 4)
B and Al (only 6)
period 3 (more than 8)

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Q

what are covalent bonds

A

electrostatic attraction between positive nuclei and the shared pairs of electrons

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Q

VSEPR UR 2 LP 0

A

linear (180°)

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Q

VSEPR UR 3 LP 0

A

trigonal planar (120°)

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Q

VSEPR UR 3 LP 1

A

bent or angular

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Q

VSEPR UR 4 LP 0

A

tetrahedral

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Q

VSEPR UR 4 LP 1

A

trigonal pyramidal

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Q

VSPER UR 4 LP 2

A

bent/angular

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Q

VSEPR UR 5 LP 0

A

trigonal bipyramidal

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Q

VSEPR UR 5 LP 1

A

sawhorse or seesaw

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Q

VSEPR UR 5 LP 2

A

T-shape

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Q

VSEPR UR 5 LP 3

A

linear

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Q

VSEPR UR 6 LP 0

A

octahedral

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Q

VSEPR UR 6 LP 1

A

square pyramid

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Q

VSEPR UR 6 LP 2

A

square planar

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Q

VSEPR UR 6 LP 3

A

t-shape

Q

VSEPR UR 6 LP 4

A

linear