Which of the following sets of element contain metal, non-metal as well as metalloid?
a) F.CL. Br. 1
b) Li. Na, K, Rb
c) B. Al, Ga. Te
d) C. Si. Ge. Sn
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Answer:
d) C.Si.Ge.Sn
Explanation:
Carbon is a non metal.
Si is a metalloid
Ge is also a metalliod
Sn is a metal.
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