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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 Silicon
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.
Antimony is a metal.
Write ‘true’ or ‘false’ for the following statement.
Sand is an oxide of silicon.
A metalloid used to make glass :
A metalloid used in the manufacture of microchips used in computer is :
The most ductile metal is _______.
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.
Compare the properties of metalloids with those of metals.
State the uses of three different metalloids.
State whether the statement given below is true or false. If false write the correct statement.
Silicon is an example of a metalloid.
Write down the properties of metalloids.
The element which possesses the character of both metals and non metals are called ______.
Write three properties of metalloids.
Metalloids are ______ at room temperature.
