CHEMISTRY ONLINE TEST 18

Which noble gas is used to fill weather balloons?

Noble gases have very low melting and boiling points because —

Which noble gas is radioactive?

The shape of XeF₆ molecule is —

Which noble gas is used in flash photography?

The oxidation state of Xe in XeF₆ is —

Which noble gas forms a compound with oxygen?

Which noble gas is used in neon discharge lamps?

Noble gases show zero electron affinity mainly because —

Which noble gas has the smallest atomic radius?