What does the negative electronic energy for hydrogen atoms means?

The electron’s energy in the hydrogen atom is negative signification for any orbit that is possible.

So what exactly does this sign of the negative word mean?

This negative sign signifies that the energy of an electron within the atom is less than the energy of an electron in rest. Free electrons at rest is infinitely distant from the nucleus, and is assigned an energies of zero. Mathematically speaking, this is equivalent to setting n to be equal to infinity to the equation, so that E infinity = 0. As the electron is close to its nucleus (as the distance between them decreases) E n gets greater in absolute value and becomes more as it becomes more negative. The lowest energy value is represented by n=1, which is the most stable orbital. And we call this”the Ground State .

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