Properties of materials- 8.2

Question 1

What is Ionic bonding?

Answer 1

The electrostatic force of attraction between positive metal ions and negative non-metal ions.

Question 2

Ionic compounds and giant lattices melting/boiling points

Answer 2

Ionic compounds are found as giant lattices and because of this, the strong electrostatic force or attraction between oppositely charged ions holds it together very tightly and results in a very high melting/boiling point.

Question 3

In Rutherford’s discovery- what did it mean that most alpha particles went through the foil?

Answer 3

This meant that most of the atom was empty space

Question 4

In Rutherford’s discovery- what did it mean that some particles were deflected?

Answer 4

Alpha particles are positive and if they are deflected it means that something in there is positively charged- the charge concentrated in the center (is the positive nucleus)