The phase in which atoms and molecules no longer move is the
(a) solid phase
(b) liquid phase
(c) gas phase.
(d) None of the above.
The phase in which atoms and molecules no longer move
Answer to Problem 4RAT
The correct option for the statement “The phase in which atoms and molecules no longer move is the” is option (a).
Explanation of Solution
There are three phases of matter. The phases are solid, liquid, and gas. The different phases are due to the difference in the movement and arrangement of molecules that are present in matter.
The forces of attraction between molecules keep them attracted to each other and close to each other.
In the gas phase, molecules/atoms are in the random arrangement and the forces of attraction between them are very low. So, they move around randomly.
In the liquid phase, molecules/atoms are not in a particular arrangement. The forces of attractions are present but are not strong. So, the molecules/atoms can move.
In the solid phase, molecules/atoms are aligned in an arrangement. The forces of attractions are present and are strong. Due to this the molecules/ atoms cannot move from their places.
Conclusion:
Therefore, the correct option is option (a).
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