5.2.1.1 Chemical Bonds

Question 1

What are the three types of chemical bonds?

Answer 1

• ionic
• covalent
• metallic

Question 2

What is ionic bonding?

Answer 2

• particles oppositely charged ions
• occurs in compounds formed from metals combined with non-metals

Question 3

What is covalent bonding?

Answer 3

• particles are atoms that share pairs of electrons
• occurs in most non-metallic elements and in compounds of non-metals

Question 4

What is metallic bonding?

Answer 4

• particles are atoms which share delocalised electrons
• occurs in metallic elemtns and alloys

Question 5

What is a delocalised electron?

Answer 5

• an electron in an atom, ion or molecule that is not connected to a single atom or covalent bond