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प्रश्न
State what are metalloids.
उत्तर
Metalloids: Elements that show the properties of both metals and non-metals.They have physical and chemical properties, intermediate between those of metals and non-metals.
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संबंधित प्रश्न
What are metalloids?
Give two uses of Silicon
Give two uses of Tungsten
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 :
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
Saline glucose is a solution of glucose and _______
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.
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
Write down the properties of metalloids.
The element which possesses the character of both metals and non metals are called ______.
Give two examples for metalloids.
Write three properties of metalloids.
Metalloids are ______ at room temperature.
