It depends on the circumstances and the problem.
The boron family does not react to many items. However, the one group that it does react violently with is the halogen group.
what do they react to
The ozone problem start with the use of CFC's. They react with ozone.
Ozone problem is caused by CFC''s. They react with ozone and deplete it.
nobel gasses
There are quite a few elements that do not normally react. These elements are all found in the Noble Gas family.
The state should react according to their jurisdiction in comprehension of the violations of law
the noble gasses
There is an energy problem.
it should react immediately after snapping it.
the carbon family. the noble gases never react
scared