Topic 2 - Bonding & Structure

Question 1

Ionic bonding

Answer 1

Electrostatic attraction between two oppositely charged ions

Question 2

Cation

Answer 2

Positively charged ion

Question 3

Anion

Answer 3

Negatively charged ion

Question 4

Isolectronic species

Answer 4

Chemical species that have the same number of electrons

Question 5

Covalent bonding

Answer 5

Electrostatic attraction between two nuclei and a shared pair of electrons

Question 6

Dative covalent bonding

Answer 6

Occurs when one atom donates both the electrons in a covalent bond

Question 7

Allotropes

Answer 7

Different forms of the same element eg. graphite, diamond

Question 8

Malleable

Answer 8

Can be shaped

Question 9

Ductile

Answer 9

Can be drawn into a wire

Question 10

Intermolecular force

Answer 10

Forces between the molecules

Question 11

Electronegativity

Answer 11

The ability of an atom to attract the pair of electrons in a covalent bond

Question 12

Metallic bonding

Answer 12

Electrostatic attraction between metal ions and the sea of delocalised electrons surrounding them

Question 13

Delocalised electrons

Answer 13

Electrons not contained in an atom or bond

Question 14

Bond length

Answer 14

Internuclear distance between two covalently bonded atoms