Helium has two valence electrons in the 1s orbital.
Helium has 8 valence electrons. It is a noble gas. none = 0
Helium has the fewest valence electrons, with only 2 valence electrons.
Iron (Fe) is in group 8 on the Periodic Table and it does not have 8 valence electrons. Iron has 2 valence electrons in its 4s orbital and 6 valence electrons in its 3d orbital, making a total of 8 valence electrons.
The element with a stable 2 valence electrons is helium. Helium has a full outer electron shell with 2 electrons, making it very stable and unreactive.
A full set of valence electrons typically consists of 8 electrons, except for hydrogen and helium, which have a full valence shell with 2 electrons.
Helium has 2 electrons (total of 2 electrons and 2 valence electrons)
Helium has two valence electrons. It is the only noble gas not to have eight valence electrons. Helium has the electronic configuration 1s2.The Noble gases have eight valence electrons in their outer shell.
Helium has 8 valence electrons. It is a noble gas. none = 0
Helium has two valence electrons. It is the only noble gas not to have eight valence electrons. Helium has the electronic configuration 1s2.The Noble gases have eight valence electrons in their outer shell.
Helium is the only noble gas that doesn't have 8 valence electrons. It only has 2.
Helium has 2 valence electrons.
Helium is the noble gas with only 2 valence electrons
2 valence electrons
Helium has 2 valence electrons. Being in Group 18 of the periodic table, helium is a noble gas and has a full outer electron shell.
Helium has 2 valence electrons.
2
Helium has 2 valence electrons. Group 2 elements (alkaline earth metals) also have 2 valence electrons.