In a gas, the atoms or molecules are widely spaced and are free to move in any direction. Gases have neither a definite shape nor a definite volume, and will expand to fill their container. The intermolecular forces in a gas are very weak, and are often negligible.
In conclusion, the states of matter are a fundamental concept in physics, and are essential to understanding a wide range of phenomena in the natural world. The characteristics of each state, and the phase transitions that occur between them, are governed by the underlying physics of the system.
Matter can exist in several distinct states, including solid, liquid, gas, and plasma. In this paper, we will explore the characteristics of each state, the phase transitions that occur between them, and the underlying physics that governs their behavior. states of matter goodstein pdf
Atkins, P. W., & De Paula, J. (2006). Physical Chemistry. Oxford University Press.
Or
https://www.amazon.com/States-Matter-Donald-Goodstein/dp-0486490317
(I will provide a link to a free pdf of the book " States of Matter" by Goodstein In a gas, the atoms or molecules are
https://www.pdfdrive.com/search.html?search=states+of+matter+goodstein+pdf