Q833
Metalloids . . . . . . . .
A.
Are good conductor of heat & electricity
B.
Act as electron donors with metals & as electron acceptor with non-metals
C.
Are not necessarily solids at room temperature
D.
Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron
AnswerAnswer: Option D
Solution
Answer: Option D
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