Question

Sample: Sodium Operation: Addition to water Your instructor will cut a small chip of sodium metal from a larger piece of sodium metal Examine the sodium chip and record its physical properties ______________________________________________________________________________________________________________________________________________

DEMO: The instructor will add the sodium to about 100 ml of water in a 400 ml beaker. Describe the changes that occur. ______________________________________________________________________________________________________________________________________
Was the reactant used up? Yes No
Is there evidence for a new substance? Yes No
Do you think there has been a change in composition? Yes No

Answer 1

Step-by-step explanation:

Sodium is soft with a bright shiny surface, however when it is cut into pieces it reacts with the air and becomes dull due to the formation of sodium oxide.