Which of the following element is a metalloid? from Chemistry Cl

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 Multiple Choice QuestionsMultiple Choice Questions

331.

Which of the following elements never show positive oxidation number?

  • O

  • Fe

  • Ga

  • F


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332.

Which of the following element is a metalloid?

  • Bi

  • Sn

  • Ge

  • C


C.

Ge

Boron (B), Si, Ge, As, Sb, Te and At are the metalloid elements. Bismuth (Bi) and tin (Sn) are metals while carbon (C) is non-metal.


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333.

What is the name of element with atomic number 105?

  • Kurchatovium

  • Dubnium

  • Nobelium

  • Holmium


334.

Which among the following elements have lowest value of IE1?

  • Pb

  • Sn

  • Si

  • C


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335.

KI and CusO4 solution when mixed, give :

  • CuI2 + K2SO4

  • Cu2I2 + K2SO4

  • K2SO4 + Cu2I2 + I2

  • K2SO4 + CuI2 + I2


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