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प्रश्न
State the type of element for the following:
Xenon
पर्याय
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Noble gas
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संबंधित प्रश्न
Give the names and symbols of five familiar substances which you think are elements.
The scientist who proposed the first letter (or first letter and another letter) of the Latin or English name of
an element as its symbol, was :
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
Give the symbol of the following element:
Carbon
Give the symbol of the following element:
Arsenic
Write the chemical formula of the following:
zinc oxide
Give the formula of the following gas:
Nitrogen
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).
Bisulphite
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).
Oxide
Define Alchemy.
