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प्रश्न
What are metalloids?
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उत्तर
Metalloids are the elements which show some properties of metals and some properties of non-metals. They all are solids. They are silicon, boron, arsenic, antimony, germanium, tellurium and polonium.
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संबंधित प्रश्न
Give two uses of Silicon
Give two uses of Antimony
Give two uses of Tungsten
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 :
The most ductile metal is _______.
State what are metalloids.
Name the elements recognised as metalloids.
Compare the properties of metalloids with those of metals.
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.
Write down the properties of metalloids.
______ is used as semiconductor.
Write three properties of metalloids.
Metalloids are ______ at room temperature.
