Question
Complete the following flowchart.

Answer

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.

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