1.3.1& 1.3.2: Ionic and Covalent bonding

Question 1

Ionic bonding

Answer 1

The electrostatic attraction between ions of opposite charges

Question 2

Ionic bonding in terms of electrons

Answer 2

exchange/transfer of electron forms an electrostatic attraction between atoms.

Question 3

The principle of electroneutrality

Answer 3

States that the overall charge of an ionic compound must be zero.

Question 4

Ionic bonds

strength

Answer 4

very strong and stronger than any type of intermolecular force but weaker than covalent bonds

Question 5

Carbonate ion
Nitrate ion
Hydroxide ion

Answer 5

CO3 2-
NO3 -
OH-

Question 6

Sulphate ion

Ammonium ion

Answer 6

SO4 2-

NH4 +

Question 7

Ions form to make what electronic configuration

Answer 7

noble gas configurations

Question 8

Giant ionic lattices

Answer 8

The structure of ionic compounds which is made up of repeating units of identical structure

Question 9

Giant ionic lattices
properties
3

Answer 9

Dissolve in water
Conduct electricity when molten or dissolved
High melting points

Question 10

Example of a giant ionic lattice

Answer 10

NaCl

cube shaped lattice

Question 11

Covalent bonding in terms of electrons

Answer 11

share electrons

Question 12

How many covalent bonds can atoms form

Answer 12

Double and triple cov. bonds

Question 13

Double/triple covalent bonds strength

Answer 13

usually stronger than single bonds

Question 14

Dative bond

Answer 14

A covalent bond in which both electrons in the bond come from one atom.

Question 15

Example of a molecule with a dative bond in

Answer 15

NH4+

Question 16

Another name for dative bond

Answer 16

coordinate bond