A barometer is the answer
Base on the question and in my further research and investigation about the said problem that states to identify the type of bonding in solid potassium, I would say that the bondings are metallic bonding and metallic. I hope you are satisfied with my answer and feel free to ask for more
Nitrous oxide .
The Lewis dot structure is attached
Answer:
a.)cations; free to move around
b.)cations; fixed in place