6 spills and 100 squares If each spill represents one year, what is the half-life of the square?

What does an electron configuration for an atom relate to the atoms placement on the periodic table

What happens in the particles of a gas when the gas is compressed

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?