Substances

Question 0

Covalent substances

Answer 0

Non-metal, non-metal
When non-metallic elements combine they share electrons between them

Double and Triple bonds

Question 1

Ionic compounds

Answer 1

Metal, non-metal

Made when a metal transfers electrons to a non-metal

Question 2

Metallic crystals

Answer 2

Have a giant, three-dimensional lattice

The outer shell of electrons becomes detached and delocalised throughout the structure

The attraction between the positive ions and the delocalised electrons keeps the ions together

Question 3

Formation of ions

Answer 3

Formed by the las and gain of electrons

Noble gases are resistant to change

Question 4

Ions

Answer 4

Electrically charged atoms or groups of atoms