Topic 9 - Chemical Periodicity

Question 1

Amphoteric Oxides

Answer 1

React with acids and bases to produce salt and water.

Question 2

Coordination Number

Answer 2

Is how many particles surround a central particle in a crystal lattice.
e.g. NaCl has coordination no. of 6

Question 3

Physical Property - Strong

Answer 3

Can withstand large loads (weight) without deforming.

Question 4

Physical Property - Hard

Answer 4

Resists shape change when a force is applied, such as scratch resistant.

Question 5

Physical Property - Brittle

Answer 5

Breaks easily without deforming when subject to stress.