Answer:
gas, liquid, solid
Explanation:
As you go from gas to solid, the atoms get closer together and the kinetic energy decreases.
States of matter represent the various arrangement of the particles of the phases. The matter from least to most tightly packed are gas, liquid, and solid. Thus, option d is correct.
Phases of matter are the various states at which a matter particle exists and have varying arrangements and structures. The four phases of matter include solid, gas, liquid, and plasma.
The gases are the least tightly packed matter that has the particle or molecules placed randomly at very large spaces. The liquids have an intermediate arrangement of to particles with free flow.
The solids have the most tightly packed arrangement that makes them have a fixed rigid shape. They have the least kinetic energy and the most compact structure.
Therefore, option d. the order of least to most tightly packed are gas, liquid, and solid.
Learn more about the phases of the matter here:
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