Answer: 280dm3
Explanation:Please see attachment for explanation
Answer: noble gases are in reactive.
Explanation: noble gases are present in the right most corner of the periodic table in the 8th group. So their outermost shells are complete. Their boiling point, mass increases down the group. the have strong forces of interaction. their ionization energy decreases down the group
Answer:
Nothing
Explanation:
Your hypothesis is the whole reason for you experiment right? What i think you should do is retrace everything you did and see if there was an error or you can just do a slight change to the experiment to see if it would make a difference.
A. Phase changing. When phase changes nothing chemically changes about the substance, its still the same thing.
