It has 8 electrons I the answer
The factors that limit a technological design can be physical and social. The physical limitations are constraints due to nature itself. They include natural laws and properties of materials.
Social limitations on the other hand are limitations that arise as a result of the society we are living in and include the ease of use, safety, attractiveness, and cost.
they try to ask themselves why certain things happen and they try to make an educated guess of what will happen.