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How many shells does a helium have?
Helium has only 1 shell with two electrons.
How many filled electron shells does helium have?
Helium has only 1 shell with two electrons.
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.
How is the noble gas element helium differ from radon?
Helium has 2 electrons and Radon has 86 electrons but both have 8 valence electrons (8 electrons in their outermost shells)
How many inner shell electrons are there in Helium?
Since Helium is a noble gas meaning it is stable, and the fact that it has one shell, it has 2 shells in its inner-most shell.
What Atom has 2 completely filled shells and no electrons anywhere else?
The atom that has 2 completely filled electron shells and no electrons anywhere else is helium. Helium has a total of 2 electrons, with both shells being completely filled with 2 electrons in the first shell.
How many electrons are there in helium?
Helium has 2 electrons.
How many electrons are needed in hydrogen helium carbon and oxygen to fill their respective valence shells?
Hydrogen has one electron and needs one more. Helium has two electrons and has filled shell. Carbon needs four more electrons to fill the valence shell Oxygen needs two more electrons to fill the valence shell
How many electrons does an atom of helium have atomic?
Helium atom has 2 electrons.
How many electrons does helium 4 have?
Helium-4 has 2 electrons.
How many electrons are in outermost level of helium?
Helium has 2 valence electrons.
How many electrons in an helium?
2 electrons as the atomic number of helium is 2
