In some substances there are four strong bonds between the atoms or molecules. F
ID: 2077652 • Letter: I
Question
In some substances there are four strong bonds between the atoms or molecules. For example, in diamond, each carbon atom has four very strong covalent bonds with neighboring carbon atoms. In other substances, there are 10 or more bonds connecting atoms to each other. For example, in solid argon, each atom is held by 12 equal strength weak bonds to its neighbors. How many springs does it take to model the thermal energy of diamond and how many for solid argon? Explain/justify your answer using appropriate components of the Particle Model of Thermal Energy and/or previous Models we have used.Explanation / Answer
Solution :- In some substances there are four strong bonds between the atoms or molecules. For example, in diamond, each carbon stom has four very strong covlalent bonds with neighbouring carbon atoms. In other substances there are 10 or more bonds connecting atoms to each other. For example, in solid argon, each atom is held by 12 equal strength weak bonds to its neighbors.
The number of springs is somewhere of the order of 3 times the number of atoms, because each atom is connected ONLY to the neighboring atom (by one spring).
They way that you model the crystalline structure is by assuming that you have a linear array of atoms with springs;
o<-->o<-->o<-->o ...
However, to be totally concise you have to add in three dimensions worth of springs (hence the ~ 3x).
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