BONDING Flashcards

1
Q

Ionic bonding

A

The electrostatic force between positive (cation) and negative (anions) ions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Ionic bonds have

A
  1. high melting and boiling points
  2. High temperature needed to overcome these electrostatic forces of attraction
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

In ioni bonding melting points are higher for

A

lattices with greater charges on ions due to the strong attraction between ions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Does not conduct electricity unless

A
  1. molten
  2. or dissolved in a solvent
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

if ionic bonds are in polar solvents

A

they break down the lattice and surround each ion in solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

outer shell electrons from a metal are transferred to

A

the outer shell of a non-metal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Ionic compounds form

A

Giant ionic lattices

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

3 key properties of ionic compounds

A
  1. High melting and boiling points
  2. solubility
  3. does not conduct electricity unless molten or dissolved in polar solvents
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

the solid state:ionic compounds

A
  • The ions are in a fixed position
  • no mobile charge carriers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The liquid state: ionic compounds

A
  • solid ionic lattice breaks down
  • The ions are now free to due to there being mobile carriers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Covalent Bonding is

A

Strong electrostatic attraction between a shared pair of electrons and the nuclei of bonded atom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

In covalent bonding

A

The atrraction is localised between electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Diuble covalent bond

A

electrostatic atttraction between 2 shared pairs of electrons and the nuclei of bonding atoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Dative covalent bond

A

a covalent bond in which the shared pair of electrons has been supplied by one of the bonding atoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Covalent bonding structures

A
  1. small covalent structure
  2. giant covalent structure
  3. charged polyatomic ion
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

A covalent bond is the overlap

A

of atomic orbitals

17
Q

In a covalent bond

A

The attraction is localised

18
Q

Ionic bonding examples

A

-sodium chloride
-magnesium oxide

19
Q

average bond enthalpy is

A

a measure of avergae energy needed to break the bond

20
Q

Dative covalent bond

A

a bond in where both of the shared electrons arw supplied by one atom