Q. 14.2( 49 Votes )
Which of the following conditions favours the existence of a substance in the solid-state?
A. High temperature
B. Low temperature
C. High thermal energy
D. Weak cohesive forces
Answer :
The stability and existence of solid-state favours lower temperatures as it depends on 2 rival forces.
When the temperature is low, under these circumstances the thermal energy of molecules ( energy which tends to move them faster and makes them apart; sometimes results in a change of state) is sufficiently low and intermolecular forces (forces b/w molecules, ions, atoms that tend to keep them closer) are high enough to make molecules bring in a closer contact that they attach oneself tightly to another and occupy fixed position (in solid-state).
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