The most abundant rare gas in the atmosphere is

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The most abundant rare gas in the atmosphere is



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1) The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is

2) The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3

3) The number of electrons presents in H+ is

4) The heat energy produced when the human body metabolises 1 gram of fat is

5) The molecules of which gas have highest speed?

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