Question

which property of sodium is not typical of a metal​

Answer 1

Answer: Sodium is completely miscible with the alkali metals below it in the periodic table (potassium, rubidium, and cesium). A eutectic (that is, an alloy that melts lower than its components) melting at −10 °C (14 °F) is formed in the sodium-potassium system and is known commercially as NaK.

Answer 2

ANSWER :

Sodium metal is soft and very ductile. It can actually be cut with a blunt knife.

The best storage condition is in oil - strangely enough as it reacts with environment moisture (or water for that matter).

Water is the one thing that you should really avoid when handling sodium - a bit like Gizmo in Gremlins ! Unless you have a death wish...

If you drop the equivalent size of a rice grain in a tank of water, you'll see a grain running around at the surface of the water. It is mostly due to the release of hydrogen as Sodium reacts : 2Na + 2H2O -> 2NaOH + H2

This is a very energetic reaction and will actually ignite the hydrogen as it is formed.

That takes us to what if a bigger quantity of Sodium comes in contact with water ? You have virtually a bomb in hand except it doesn't have a fuse.