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प्रश्न
What do you understand by :
Noble gases
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उत्तर
Noble gases : Noble gases are those which do not react chemically with other elements or compounds e.g. helium, neon, etc.
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संबंधित प्रश्न
Name the element used as a standard for atomic mass scale.
Name the elements represented by the following symbols :
Hg, Pb, Au, Ag, Sn
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
State which element exists in the highest percentage in atmosphere.
State the type of element for the following:
Sulphur
Write the radical of the following valency:
Zinc
State why the molecular formula of zinc carbonate is ZnCO3 .
What does the symbol '→' present in a chemical equation, mean?
Write the symbols for the following elements and classify them as solid, liquid and gas. Aluminum, Carbon, Chlorine, Mercury, Hydrogen and Helium
Symbol of mercury is
