A face-centered cubic unit cell is the repeating unit in which type of crystal packing:

Which of the following best describes the formation of plasma?

Calculate the number of molecules present in 0.750 mol of mgo.

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.