So..... I believe this is a Convergent boundary and mountains..
Answer:
The combination of nuclei to form a bigger and heavier nucleus is known as Fussion. The consequence of fusion is the absorption or release of energy.
Strontium and chlorine react to form strontium chloride with the formula SrCl2.
Excuse me not giving an explanation; I haven't even learned chemistry before. I usually give explanations for math/english.
I think it would be for flourine: 7
aluminum: 8
can't help with the rest...
sorry!
True I believe because plants require gases which they take from the air.