Key Definitions- EMa, RMc, ZSa

Question 1

Covalent bond

Answer 1

Formed by sharing pairs of electrons

Question 2

Cation

Answer 2

Positively charged ion

Question 3

Anion

Answer 3

Negatively charged ion

Question 4

Delocalised electrons

Answer 4

Electrons shared between more than two atoms

Question 5

Electronegativity

Answer 5

The tendency of an atom to gain or retain electrons

Question 6

Incomplete combustion

Answer 6

Combustion reactions in which there is insufficient oxygen for full oxidation

Question 7

Permanent dipole

Answer 7

A molecule in which one part always has a slightly positive charge, and another always has a slightly negative charge