Which atoms are least reactive ? Check all numbers that apply to the question, can only choose 3.

It will fall off and tip over. 

Answerit curves up and levels out.explanationwe assume that the container contains absolutely no ammonia to begin with as it states that "nitrogen gas and hydrogen gas" react to "produce ammonia."at dynamic equilibrium, the product and reactant concentrations are equal.this means that, starting from a concentration of zero, [nh₃] must curve "up" from zero and then level out to a constant concentration.

They cool it down and aluminum cools easily

The answer is c.  h+  and oh−  react to form water (h2o). i just took the test and i got it right. hope this !