Part of NCSSM CORE collection: This video shows the physical properties of Na metal and its reaction with water.
<a rel="nofollow" class="external text" href="https://www.youtube.com/channel/UCwYoNvQDSDDVqeIfD3qUWBw">NCSSMDistanceEd</a>
CC BY 3.0
<a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=dmcfsEEogxs">Reaction of Sodium and Water</a>