Physics · 2012
Semiconductor Electronics: Materials, Devices and Simple CircuitsClassification of Metals, Conductors and Semiconductors
NEET 2012 · Prelims · Code A · Q49
C and Si both have same lattice structure, having 4 bonding electrons in each. However, C is insulator where as Si is intrinsic semiconductor. This…
C and Si both have same lattice structure, having $\displaystyle 4$ bonding electrons in each. However, C is insulator where as Si is intrinsic semiconductor. This is because :
Official answer
(1)
the four bonding electrons in the case of C lie in the second orbit, whereas in the case of Si they lie in the third.
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