Explain briefly band theory of metals.
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Energy Band Theory. Definition: According to Bohr's theory, each and every shell and subshell of atoms contain a discrete amount of energy. An atom has different energy levels. When atoms are brought closer to each other, electrons at outermost shell interact with each other.
Band theory of metals. Metals conduct electricity with the help of valence electrons present in them. The atomic orbitals of the metals having same energy combine to form molecular orbitals which are close in energy to each other so as to form a band. ... It has one unpaired electron in the 3s orbital.
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