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प्रश्न
State the type of element for the following:
Copper
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metal
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संबंधित प्रश्न
Define: Elements-
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.
An element which can exhibit valencies of 2, 4 and 6 can be :
Out of ozone, phosphorus, sulphur and krypton, the elements having the lowest and highest atomicities are respectively :
Write the full form of IUPAC. Name the elements represented by the following symbols:
Au, Pb, Sn, Hg
State which element exists in the highest percentage in atmosphere.
Write the chemical formula of the following:
magnesium oxide
Give the formula of the following acid:
Hydrochloric
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).
Bicarbonate
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).
Bisulphate
