The line spectrum ot two elements is not identical because _______
A. they do not have same number of neutrons
B. they have dissimilar mass number
C. they have different energy level schemes
D. they have different number of valence electrons.
Answer:C
The line spectrum ot two elements is not identical because _______
A. they do not have same number of neutrons B. they have dissimilar mass number C. they have different energy level schemes D. they have different number of valence electrons.