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Higher Chemistry > 1.4 Structure and Bonding > Flashcards

1.4 Structure and Bonding Flashcards

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1
Q

Name the 3 different Intramolecular Bonds

A

Covalent
Ionic
Metallic

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2
Q

What kind of bond is formed when there is no difference in electronegativity?

A

Non Polar

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3
Q

Name the 3 different Intermolecular Bonds

A

London Dispersion Forces (LDFs)
Permanent dipole - permanent dipole (PD-PD)
Hydrogen

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4
Q

What are LDFs?

A

They are the attraction between temporary dipoles

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5
Q

What are PD-PDs?

A

They are the attraction between permanent dipoles

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6
Q

What are Hydrogen Bonds?

A

They are the attraction between permanent dipoles where H is bonded to either N/O/F

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7
Q

Where do you find LDFs?

A

They are in everything that has electrons

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8
Q

Where do you find PD-PDs?

A

In polar molecules

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9
Q

Where do you find Hydrogen Bonds?

A

In polar molecules (H-N/O/F)

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10
Q

How do LDFs arise?

A

They are formed due to the uneven movement of molecules

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11
Q

How to PD-PDs arise?

A

The form due to a difference in electronegativity values

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12
Q

How do Hydrogen Bonds arise?

A

they form due to a big difference in electronegativity values

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13
Q

What is Viscosity?

A

How easily a substance flows

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14
Q

What can be used to describe solubility?

A

Like dissolves like

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15
Q

What is a molecule if it is symmetrical?

A

Non Polar

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16
Q

What is a molecule if it is unsymmestrical?

A

Polar

17
Q

What are the Metallic elements? (out of 1st 20)

A

Lithium, Beryllium, Sodium, Magnesium, Aluminium, Potassium, Calcium

18
Q

Describe the features of Metallic Elements

A

They have a higher melting point and boiling point
They are conductors of electricity

19
Q

What are the Monatomic elements? (out of 1st 20)

A

Helium, Neon, Argon

20
Q

Describe the features of Monatomic elements

A

They have lower melting point and boiling point
They are non conductors of electricity

21
Q

What are the Covalent Molecular elements? (out of the 1st 20)

A

Hydrogen, Nitrogen, Fluorine, Oxygen, Iodine, Chlorine, Bromine.
Also phosphorus and sulphur and fullerenes

22
Q

Describe the features of the Covalent Molecular elements

A

They have lower melting point and boiling point
They are non conductors of electricity

23
Q

What forms are Phosphorus, Sulphur and Fullerenes found in?

A

Phosphorus - P4
Sulphur - S8
Fullerenes - C60

24
Q

What are the Covalent Network elements? (out of the 1st 20)

A

Boron, Carbon, Silicon

25
Q

Describe the features of the Covalent network elements

A

High melting point and boiling point
Non conductors of electricity

Higher Chemistry (9 decks)

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