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PhysicsModern PhysicsAtomic structureMedium2 minQB

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The energy required to excite the electron from the ground state to the first excited state of a hydrogen-like atom is 40.8 eV. The atomic number of the atom is

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Answer:

Solution:

$13.6 Z^{2} (1 - \frac{1}{4}) = 40.8 \Rightarrow Z^{2} = 4 \Rightarrow Z = 2$ .

Subject:PhysicsTopic:Modern PhysicsSubtopic:Atomic structure

⏱ 2mℹ️ Source: QB

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