Advertisements
Advertisements
प्रश्न
Which noble gas is used in filling balloons for meteorological observations?
Advertisements
उत्तर
Helium, being light, non-inflammable and unreactive, is used for filling of balloons for metrological observations.
APPEARS IN
संबंधित प्रश्न
Write the structures of the following molecule:
XeOF4
Draw the structure of the following:
XeO3
How are XeO3 and XeOF4 prepared?
Which one of the following does not exist?
Give the formula and describe the structure of a noble gas species which is isostructural with:
\[\ce{ICI^-_4}\]
Give the formula and describe the structure of a noble gas species which is isostructural with:
\[\ce{IBr^-_2}\]
Draw the structures of the following
XeF6
Draw structures of the following:
XeF4
The order of increasing sizes of atomic radii among the elements O, S, Se and As is:
Discuss the trends in electronegativity and atomic radii for elements of group 16 17, 18.
