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प्रश्न
Which noble gas is used in filling balloons for meteorological observations?
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उत्तर
Helium, being light, non-inflammable and unreactive, is used for filling of balloons for metrological observations.
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संबंधित प्रश्न
test q 1234
Give the formula and describe the structure of a noble gas species which is isostructural with:
\[\ce{IBr^-_2}\]
Answer the following.
List the uses of Neon and argon gases.
Draw the structure of XeF4.
Draw structure and name the shape of bromine trifluoride.
Explain the trend in the following atomic properties of group 16 elements:
Electron gain enthalpy
Partial hydrolysis of XeF4 gives ____________.
Helium is preferred to be used in balloons instead of hydrogen because it is ____________.
On partial hydrolysis, XeF6 gives ______.
The atomic radii of Zr and Hf are almost identical. This is because of
