A scientist studies a model of a widely accepted theory about the universe. The model would most likely а
understand a theory which cannot be observed
B
prove that the theory would not change in the future
C demonstrate how the theory can be changed into a law
D
prove that all other theories about the universe are incorrect

The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table?