In comparison to an atom of 199f in the ground state, an atom of 126c in the ground state has

You have to convert 199F into Celsius to make a comparison. It has the equation of (T(F) – 32)/1.8. so,

T(C) = (T(F) – 32)/1.8

T(C) = (199F) – 32)/1.8

T(C) = 92.78C

The atom at 126C is more reactive than the atom at 199F.

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