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1. |
When a large number of atoms are brought together to form a crystal |
A. | the energy levels of inner shell electrons are affected appreciably by the presence of other neighbouring atoms. |
B. | The energy levels of outer shell electrons are affected appreciably by the presence of other neighbouring atoms. |
C. | the energy levels of both inner and outer shell electrons are affected appreciably by the presence of other neighbouring atoms. |
D. | none of the above. |
Answer» C. the energy levels of both inner and outer shell electrons are affected appreciably by the presence of other neighbouring atoms. | |