Question

Complete the following flowchart.

Answer 1

Exceptional properties of metals
Properties	Exceptions
1. Physical state: Metals exist mainly in a solid state at room temperature. 2. Hardness: Metals are generally hard. 3. Melting and boiling point: Metals have high melting and boiling points.	1. Mercury and gallium exist in a liquid state at room temperature. 2. Lithium, sodium and potassium are metals which can be cut with a knife as they are very soft. 3. Sodium, potassium, mercury, and gallium have very low melting and boiling points.