According to the kinetic theory of gases, particles of a gas are very far apart. Here option B is correct.
The kinetic theory of gases describes gases as composed of particles (atoms or molecules) that are in constant, random motion. These particles are considered to be very small compared to the distance between them.
The assumption is that the volume occupied by the gas is mostly empty space, and the particles are so far apart that their individual volumes are negligible. The kinetic energy of gas particles is directly proportional to the absolute temperature of the gas.
As the temperature increases, the kinetic energy of the particles also increases. This increased kinetic energy leads to higher particle speeds and more energetic collisions, which, in turn, raises the temperature of the gas. Here option B is correct.
Complete question:
According to the kinetic theory of gases, particles of a gas:
(a) are very large particles.
(b) are very far apart.
(c) lose their valence electrons.
(d) move slowly.
(e) decrease kinetic energy as temperature increases.