Question

Study Question

Name a metal which is lighter than water

Answer 1

• Density is defined as the mass per unit volume.
• Sodium metal .$(0.97\mathrm{g}/{\mathrm{cm}}^3)$ is lighter than water.
• Sodium is belongs to alkali metals family ,it has strong metallic luster.
• It is soft at common temperature that it can be shaped into leaves by the pressure of the fingers.
• Sodium compounds tarnish rapidly on exposure to air.
• Sodium is a reactive, soft metal with a low melting point and most important of all alkaline metals from the commercial point of view.

Hence sodium is the metal which is lighter than water.