Valence electons
Valence shell electrons.
Helium is the only noble gas that does not have eight electrons in its outer shell. It has only two electrons in its outer shell.
No. Argon has eight electrons in its outer shell and magnesium has two electrons in its outer shell.
Outer electrons
Eight - it has a full outer shell of electrons.
Eight.
Xenon is found in group 18. It has an electronic configuration of 2, 8, 18, 18, 8 and has eight valence electrons (or eight electrons in the outer most orbital).
The outer electrons in krypton are eight electrons.
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.
Oxygen has six valence electrons and requires two additional electrons to achieve a full outer valence shell, which is complete with eight electrons. This is in accordance with the octet rule, which states that atoms tend to gain, lose, or share electrons to attain a stable configuration of eight electrons in their outer shell.
The valence shell is the outer most shell or imaginary orbit of an atom containing <8 electrons. The electrons in this shell are called 'valence electrons'.
The valence shell is the outer most shell or imaginary orbit of an atom containing <8 electrons. The electrons in this shell are called 'valence electrons'.