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Hydrogen can hold only 1 electron.

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Q: How many electrons for hydrogen does it take to fill its outer shell?
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Related questions

How many electrons in hydrogen valence shell will give it a noble gas configuration?

Two electrons will fill a hydrogen's outer, or valence, shell.


Does helium have a complete outer shell?

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.


How many electrons does hydrogen have to fill its outer shell?

Hydrogen has one electron. Its outer shell the first energy level has just one orbital, 1s which could hold a maximum of 2 electrons, so hydrogen only partially fills the level.


How many electrons are needed to fill carbon outer shell?

Carbon has four valence electrons, so it will need four more electrons to fill its outer shell.


How many electrons fill the outer shell of helium?

There is only one electron inhabiting hydrogen and the compound therefore only has one shell, effectively making that shell the outer shell. TL;DR There is 1 electron in the outer shell of hydrogen.


How many electrons does nitrogen require to fill its outer shell?

Its atomic number is 7, and so it needs a further 3 electrons to fill its outer shell.


What two atoms will have their outer energy level filled with two electrons?

Hydrogen and Helium both only need two valence electrons to fill their outer shell.


How many valence electrons will beryllium gain or lose to fill its outer shell?

Beryllium will lose 2 electrons to satisfy the octet rule (to fill its outer shell).


If carbon has four electrons in its outer shell does it completely fill its outer selectron shell?

Yes. Two of the electrons will go into the carbon's outer s shell (2s) to completely fill it (s orbitals can contain up to two electrons) and the remaining two will go into its outer p shell (2p).


How many number of electrons to fill the outer shell of carbon?

Carbon has four valence electrons, so it will need four more electrons to fill its outer shell.


How many electrons are needed to fill up carbons outer shell?

4 to fill the 2p shell


How many electrons would be needed to fill its outer shell for carbon?

4 to fill the 2p shell