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Not by itself, no (that is, hydrogen is not a noble gas). A neutral hydrogen atom starts out with 1 electron, but it needs 2 electrons to fill its shell. Therefore, a hydrogen atom will often form 1 covalent bond with another atom, in order to gain that 1 extra electron it needs to fill its shell.

Important note: Most elements need 8 electrons to get a full shell, but hydrogen is the exception: it only needs 2 electrons to get a full shell.

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What type of bond would likely form with Helium and Helium atoms?

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The outer shell of helium does not have an atomic number, that number belongs to helium itself whose atomic number is 2.


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No, helium has 2 electrons in its outer shell, while magnesium has 2 electrons in its outer shell. So, they do not have the same amount of electrons in their outer shell.


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2 valence electrons for helium (helium has only 1 shell)


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All the Noble/Inert gasses. However, Helium (He) has a complete outer shell of only TWO(2) electrons. The other noble gases all have a complete octet (outer) shall, of EIGHT(8) (Octet) electrons.


What a description for helium?

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Why Helium will not react with anything because it has a complete outer electron shell?

Helium is a noble gas with a full outer electron shell, making it stable and unreactive. Its electron configuration is already stable, so it has little tendency to gain, lose, or share electrons with other elements to form chemical bonds. This inertness is why helium does not readily react with other elements.


What element is the only noble gas that does not have eight electrons in its outer shell?

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What element is a noble gas that does not have eight electrons in its outer shell?

Helium is the element in the noble geses family that does not have an octet. Helium is the element in the noble geses family that does not have an octet.


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