The total energy of the hydrogen atom is negative. What significance does this have ?

The total energy of the electron in atom is

Total energy of an electron in an atom is negative . What does it signify ?

Energy Level Of Hydrogen Atoms

Using Rautherfold model of the atom, derive the expression for the total electron in hydrogen atom. What is the significance of total negative energy possedssed by the electron? Using Bohr's postulates of the atomic model, derive the expression for radius of n^(th) electron orbit. Hence obtain the expression for Bohr's radius This therory developed is applicable to Hydrogen atoms and ions having just one electron. Let us assume that the nucleus has a positive charge Ze (i.e. ther are Z protons in it) and electrons moves with a consant speed V along a circle of radius r with the centre at nucleus By Coulomb's law

Derive an expression for the total energy of a satellite orbiting the earth. What is the significance of negative total energy ?