Chapter 2 - Ionic Bonding

Question 1

What are ions?

Answer 1

Electrically charged particles (+ve or -ve), they have lost or gained electrons so the number of positive protons does not balance the number of negative electrons

Question 2

What are all metal ions?

Answer 2

Positive - more protons than electrons

Question 3

What is oxidation and reduction?

Answer 3

Oxidation: loss of electrons
Reduction: gain of electrons

Question 4

What is the formation of an ion?

Answer 4

1. metals lose electrons depending on which group they’re in in the periodic table (e.g. group 1 lose 1, group 2 lose 2 etc)
2. Losing the electrons in outer shell = stable ion and positively charged
3. non-metals gain electrons to fill outer shell (need 8)
4. group 7 gain 1, group 6 gain 2 etc

Question 5

What is ionic bonding?

Answer 5

metal + non-metal

Question 6

Properties of ionic bonding:

Answer 6

1. taken not shared
2. electrically charged
3. high melting and boiling point