Amy watches as her teacher adds a small piece of sodium to water. She makes these
observations.

The sodium moves around on the surface of the water
Bubbles are formed.
After the reaction finished, the teacher added Universal
Indicator to the solution. The indicator went purple.

a) Explain what the bubbles show?
b )Explain why the indicator went purple?
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each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

4d^55s^1 ( third choice)