You observed no2(g) when you dissolved cu(s) in nitric acid. how would you classify the bonding in no2(g)

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

level 4 to level 2 : ))