Janice was in an area of Texas that has large amounts of limestone when she hikes you often find small fossils. She knows that her city uses petroleum to fuel their power and that there are oil reserves nearby. Fossil reserves indicate that at one time there was a large that covered the area

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?