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A possible quantum number set for an electron in a ground-state helium atom could be n1, l0, m0, s1/2.

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3mo ago

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What is the quantum number set of the ground-state electron that is found in helium but not in hydrogen?

The quantum number set of the ground-state electron in helium, but not in hydrogen, is (1s^2) or (n=1, l=0, ml=0, ms=0). It indicates that the electron occupies the 1s orbital, which has a principal quantum number (n) of 1, an orbital angular momentum quantum number (l) of 0, a magnetic quantum number (ml) of 0, and a spin quantum number (ms) of 0.


How many electron orbitals does helium have?

How many atoms / electron clouds does helium have ?


When a helium atom loses an electron then what is formed?

When a helium atom loses an electron, it forms a helium ion which is positively charged because it has one less electron than protons. This helium ion is written as He+.


When helium loses electron it becomes?

When helium loses an electron, it becomes a positively charged helium ion (He+).


How many electrons shells does a helium atom have?

The electron configuration of helium is 1s2; two electrons on the first (and the single) electron shell.


What element has no electron affinity?

Helium has no electron affinity.


What is orbital notation for helium?

Electron configuration of helium: 1s2


What are the four possible quantum numbers for the two electrons of helium?

n = 1 l = 0 m = 0 s = +1/2 and s = -1/2


What is the quantum number for helium?

There are several different quantum numbers for a given atom (principle quantum number, the angular quantum number, the magnetic quantum number, the spin quantum number, etc) .I assume you are looking for the Principle Quantum number, n, which is equal to the row (period) in the period table in which the element is situated.For helium, the principle quantum number is 1.i.e. n = 1As another example; the principle quantum number for potassium (K), n = 4.


What is the number of valency electron in helium?

Helium has two valence electrons.


What element has one main energy level?

Helium has two electrons which completely fills the first principal quantum level.


What is Number of orbitals in helium?

Helium has two electrons, and each electron occupies an orbital. Therefore, in a helium atom, there are two orbitals, one for each electron.