Consider a hydrogen atom in the ground state.What is the energy of its electron?

energy-electron

#1

Consider a hydrogen atom in the ground state. What is the energy of its electron?

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Answer:

the energy of electron in n^th level in hydrogen atom = -2.18*10^-18/n^2 J/atom

(A) in the ground state n=1

E = -2.1810^-18/1^2
E = -2.18
10^-18 J/atom

(B) in the ground state n=3

E = -2.1810^-18/3^2
E = -2.18
10^-18 J/atom
E = -2.42*10^-19 J/atom