The only one I know for sure is Mass is always conserved In a Chemical reaction.
Answer:
Argon
Explanation:
It has more electron than chlorine
Explanation:
On the whole, the metals burn in oxygen to form a simple metal oxide. Beryllium is reluctant to burn unless it is in the form of dust or powder. Beryllium has a very strong (but very thin) layer of beryllium oxide on its surface, and this prevents any new oxygen getting at the underlying beryllium to react with it
Green design (or in chemistry green chemistry)