Some physical properties would be:
appearance, odor, density, and magnetism.
Some chemical properties would be:
flammability, reaction to water oxygen or acid, decomposition caused by light or heat, and tendency to corrode.
Hope this helps. (;
Rubidium is the alkali metal that would melt on a hot day.
The liquid being blue in colour is qualitative data because it was observed not measured
Answer:
A
Explanation:
3 CARBON ATOMS 8 HYDROGEN
