Not enough information!
Its pretty simple if you think about it.
Answer:
Pyrophoricity is a property of metals and oxides of lower oxidation states, including radioactive ones, in which they spontaneously ignite during or after stabilization.
Answer:
Condensation is the change of the physical state of matter from the gas phase into the liquid phase.
Im so sorry i don’t know I just need to answer 2 questions for me to be Able to ask