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प्रश्न
What are metalloids?
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 Germanium
Fill in the blank
_________ is the hardest compound known to us
A metalloid used to make glass :
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.
Name the elements recognised as metalloids.
Compare the properties of metalloids with those of metals.
State the uses of three different metalloids.
State a specific reason for using steel in automobiles.
______ is used as semiconductor.
Give two examples for metalloids.
Metalloids are ______ at room temperature.
