Which of the following is a correct statement for gases ? All of these. Gases have a definite shape and volume.
Confined gas exerts a uniform pressure on the walls of its container in all directions.
The volume of gas is equal to the volume of the container holding the gas.

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?