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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 Antimony
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.
The most ductile metal is _______.
Name the elements recognised as 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.
