8
2
Sulphur has 6 electrons in its outermost shell.
thallium has 3 electrons in outermost shell.
It has 5 electrons in its outermost shell.
There are 2 electrons in the outermost shell of strontium. Strontium has an electron configuration of [Kr] 5s^2, indicating that it has two electrons in its outermost shell.
There are 2 electrons on the outermost shell of calcium.
Valence electrons are the total amount of electrons on the outermost shell of an atom. Meaning if the last shell has two, the valence electrons are two. But a complete valence shell would hold eight.
6 electrons.
4.See the Related Questions for how to determine the number of electrons in the outermost shell of all the elements!
There is no Iodone atom, there is however an Iodine atom that has seven valence electrons or seven electrons in outermost shell.
2 electrons in the only shell helium has.
Magnesium has two electrons in its outermost shell.