Physical Properties:

* Shiny: Aluminum has a silvery-white, lustrous sheen when polished.

* Malleable: It can be hammered or rolled into thin sheets without breaking.

* Ductile: It can be drawn into wires.

* Good conductor of heat and electricity: This is a defining characteristic of metals.

* Solid at room temperature: Most metals are solid at room temperature (except mercury).

* High melting point: Aluminum has a relatively high melting point of 660.32 °C (1220.58 °F).

* Density: Aluminum is relatively lightweight compared to other metals.

Chemical Properties:

* Reacts with acids: Aluminum will react with acids to form salts and hydrogen gas.

* Forms oxides: Aluminum readily reacts with oxygen to form a protective oxide layer on its surface.

Other ways to identify aluminum:

* Sound: Aluminum has a distinct ringing sound when struck.

* Magnetic properties: Aluminum is not magnetic, unlike iron.

* Appearance: Aluminum has a characteristic silvery-white color.

If you're unsure:

* Use a magnet: Aluminum won't stick to a magnet.

* Perform a simple test: Aluminum will react with a strong base like sodium hydroxide, releasing hydrogen gas and forming a soluble aluminate.

By observing these properties, you can confidently identify aluminum as a metal.