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प्रश्न
Write ‘true’ or ‘false’ for the following statement.
Antimony is a metal.
पर्याय
True
False
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उत्तर
False
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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
Write ‘true’ or ‘false’ for the following statement.
Sand is an oxide of silicon.
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.
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 ______.
______ is used as semiconductor.
Give two examples for metalloids.
Write three properties of metalloids.
Metalloids are ______ at room temperature.
