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प्रश्न
Name the elements recognised as metalloids.
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उत्तर
Element recognized as metalloids: Commonly recognized – Boron [B], Silicon [Si], Germanium [Ge], Arsenic [As], Antimony [Sb] and Tellurium [Te] Least recognized metalloid is Polonium [PO],
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संबंधित प्रश्न
Give two uses of Antimony
Give two uses of Tungsten
Give two uses of Germanium
Fill in the blank
_________ is the hardest compound known to us
Write ‘true’ or ‘false’ for the following statement.
Sand is an oxide of silicon.
A metalloid used in the manufacture of microchips used in computer is :
The most ductile metal is _______.
Give the basic demarkation of the Modern Periodic Table into metals, metalloids and non-metals with special reference to halogens and noble gases.
Give a reason why the non-metals – halogens and noble gases are placed in separate groups of the periodic table with special reference to their difference in properties.
State what are metalloids.
State a specific reason for using steel in automobiles.
State a specific reason for using gold in jewellery
State whether the statement given below is true or false. If false write the correct statement.
Silicon is an example of a metalloid.
The element which possesses the character of both metals and non metals are called ______.
Give two examples for metalloids.
Metalloids are ______ at room temperature.
