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Chemistry > Bonding > Flashcards

Bonding Flashcards

0
Q

Metal + non metal

A

Ionic bonding

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1
Q

Ionic bonding is between what

A

Metal + non metal

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2
Q

Covalent bonding is between what

A

Non metals

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3
Q

Non metals and non metals. What bonding

A

Covalent bonding

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4
Q

Metallic bonding is between what

A

Metals

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5
Q

Metals and metals. What bonding

A

Metallic

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6
Q

Structure of ionic bonding

A

Giant 3D lattice

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7
Q

Covalent structure (simple molecular)

A

Separate molecules. Between them are intermolecular forces.

NOT BONDS

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8
Q

Covalent structure (macromolecular)

A

Giant lattice

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9
Q

Metallic structure

A

Lattice of positive ions surrounded by a sea of delocalised electrons

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10
Q

Ionic bonding

A

Attraction between oppositely charged ions

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11
Q

Covalent bonding (simple)

A

Strong covalent bonds

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12
Q

Covalent bonding (macro)

A

Lots of atoms held by strong covalent bonds

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13
Q

Metallic bonding

A

Lots of electrostatic attraction by sea of delocalised electrons

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14
Q

Ionic state at room temp

A

Solid

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15
Q

Covalent (simple) state at room temp

A

Gas / liquids

16
Q

Covalent (macro) state at room temp

A

Solid

17
Q

Metallic state at room temp

A

Solid

18
Q

Mp of ionic

A

High

19
Q

Ionic mp why?

A

Lots of energy needed to overcome strong ionic bonds

20
Q

Covalent (simple) mp

A

Low

21
Q

Why covalent mp (simple)

A

Weak intermolecular forces between molecules easy to overcome.
NOT BONDS

22
Q

Covalent (macro) mp

A

High

23
Q

Why covalent (macro) mp

A

Strong covalent bonds need to break

24
Q

Metallic mp

A

High

25
Q

Metallic mp why

A

Strong electrostatic attraction between positive metal ions and electrons

26
Q

Ionic bonding conductivity

A

No as solid

Yes if molten or solution

27
Q

What makes a bonding able to conduct electricity

A

Charged particles able to MOVE AND CARRY THE CURRENT

28
Q

Covalent (simple) conductivity

A

No

29
Q

Covalent (macro) conductivity

A

No

Apart from graphite along the layers

30
Q

Metallic conductivity

A

Yes

31
Q

Ionic diagram

A

3D shape with opposites

32
Q

Covalent (simple) diagram

A 
Cl - Cl
 -     -
 -     -
 -     -
Cl - Cl
33
Q

Metallic diagram

A

e e e
+++++++ e
+++++++ e
e e e

34
Q

Trend in mp of ionic

A

As ion increases attraction is stronger therefore mp is higher

35
Q

Why is diamond strong

A

Lots of strong covalent bonds

36
Q

Why is graphite a good lubricant

A

Layers slide over each other as weak forces between layers

37
Q

What are metals malleable

A

Layers can slide over each other

38
Q

How are covalent bonds held together

A

Each of the positively charged nuclei are attracted to the negatively charged electrons

Chemistry (23 decks)

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