What ion will be formed by the selenium atom shown below when it has a stable set of valence electrons? . selenium atom. a. se6+. b. se2+. c. se6−. d. se2−.

ill try to . no promises tho.

explanation:

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.