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Color online) Energy-level diagram for the low-lying excited states of... | Download Scientific Diagram
![A discharge tube contains helium a low pressure. A large potential difference is applied across the tube. Consider a helium atom that has just been ionized due to the detachment of an A discharge tube contains helium a low pressure. A large potential difference is applied across the tube. Consider a helium atom that has just been ionized due to the detachment of an](https://search-static.byjusweb.com/question-images/toppr_invalid/questions/1966625_1029094_ans_54e226b0db784041a3568d122718bf67.jpg)
A discharge tube contains helium a low pressure. A large potential difference is applied across the tube. Consider a helium atom that has just been ionized due to the detachment of an
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Atoms | Free Full-Text | Shannon Information Entropy in Position Space for the Ground and Singly Excited States of Helium with Finite Confinements
![Figure 1 from Metastable helium: a new determination of the longest atomic excited-state lifetime. | Semantic Scholar Figure 1 from Metastable helium: a new determination of the longest atomic excited-state lifetime. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/62eeac42c2172e9681aebc54b27fab48281788f6/1-Figure1-1.png)
Figure 1 from Metastable helium: a new determination of the longest atomic excited-state lifetime. | Semantic Scholar
![1s^1 2s^1 is an electron configuration of an excited atom. What is the identity of the atom and what is its ground state configuration? | Socratic 1s^1 2s^1 is an electron configuration of an excited atom. What is the identity of the atom and what is its ground state configuration? | Socratic](https://useruploads.socratic.org/2gFdKqvhRiu9MAri9uYE_H_He.gif)
1s^1 2s^1 is an electron configuration of an excited atom. What is the identity of the atom and what is its ground state configuration? | Socratic
![For a helium atom in its ground state, what are quantum numbers ( n, l, m_l, and m_s ) the (a) spin-up electron and (b) spin-down electron? For a helium atom in its ground state, what are quantum numbers ( n, l, m_l, and m_s ) the (a) spin-up electron and (b) spin-down electron?](https://haygot.s3.amazonaws.com/questions/1753609_1778333_ans_b3262cb90d954c23807b2da93003d79b.jpg)
For a helium atom in its ground state, what are quantum numbers ( n, l, m_l, and m_s ) the (a) spin-up electron and (b) spin-down electron?
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