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Structure/Bonding > Four Types Of Solids > Flashcards

Four Types Of Solids Flashcards

1
Q

Forces between particles in an ionic solid?

A

Strong

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2
Q

Electrical conductivity of an ionic solid?

A

Solid: no

Molten or solution: yes

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3
Q

Charge carriers within ionic solids?

A

Ions

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4
Q

Melting point of a molecular solid?

A

Low

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5
Q

Forces between particles in a molecular solid?

A

Weak

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6
Q

Electrical conductivity of a molecular solid?

A

Solid: no

Molten or solution: no

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7
Q

Charge carriers within a molecular solid?

A

None

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8
Q

Melting point of a metallic solid?

A

Fairly high

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9
Q

Forces between particles within a metallic solid?

A

Strong

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10
Q

Electrical conductivity of metallic solids?

A

Solid: yes
Molten: yes

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11
Q

Charge carriers within metallic solids?

A

Mobile electrons

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12
Q

Melting points of covalent solids?

A

Very high

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13
Q

Forces between particles within covalent solids?

A

Strong

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14
Q

Electrical conductivity of covalent solids?

A

Solid: no
Molten: if able to be melted, liquid does not conduct.

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15
Q

Charge carriers within covalent solids?

A

None

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16
Q

Melting point of an ionic solid?

A

High

17
Q

Examples of an ionic solid?

A

NaCl
MgO
KI

18
Q

Properties of an ionic solid?

A

High melting point. Hard but brittle. Conduct electricity when molten but not when solid.

19
Q

Structure of an ionic solid.

A

A 3-D network of oppositely-charged ions held together by strong forces.

20
Q

Examples of a metallic solid?

A

Cu
Al
Fe

21
Q

Properties of a metallic solid?

A

Low to high melting points. Malleable and ductile. Conduct electricity when solid or molten.

22
Q

Structure of a metallic solid?

A

A lattice of metallic ions held together by a ‘sea’ of delocalised electrons.

23
Q

Examples of a molecular solid?

A

H2O
CO2
I2

24
Q

Properties of a molecular solid?

A

Low melting points. Often soft or waxy. Do not conduct electricity when a solid or molten.

25
Q

Structure of a molecular solid?

A

Discrete (separate) molecules held together by weak forces.

26
Q

Examples of a covalent network?

A

C (diamond)
Si
SiO2 (silica)

27
Q

Properties of a covalent network?

A

High melting points. Hard but brittle. Do not conduct electricity when solid or molten. Exception for graphite.

28
Q

Structure of a covalent network?

A

Atoms joined together in a strong network.

Structure/Bonding (1 decks)

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