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प्रश्न
State the type of element for the following:
Radon
विकल्प
Metal
Non-metal
Metalloid
Noble gas
उत्तर
Noble gas
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संबंधित प्रश्न
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Which particular atom of the above element is used for this purpose ?
Give a reason why elements are tabulated in a table called the ‘Periodic table’.
Select the correct answer from the choice given below.
The symbol of mercury is
State the type of element for the following:
Neon
Give the symbol of the following element:
Sulphite
Give the formula of the following acid:
Carbonic
Give the formula of the following gas:
Nitric oxide
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Bromide
In the same way in chemistry, each element is denoted by a ______.
