In: Chemistry
Nonmetals gain electrons under certain conditions to attain a noble gas electron configuration.
How many electrons must be gained by the element sulfur (S) to attain noble gas electron configuration?
number of electrons: _______
Which noble gas electron configuration is attained in this process?
xenon
radon
neon
krypton
helium
argon
Atomic no of Sulfur(S) is 16.
Therefore the electronic configuration will be 1s22s22p63s23p4.
The outermost shell contains 6 electrons, So it needs 2 more electrons to attain noble gas electronic configuration(8 electrons in outermost shell).
After gaining 2 more electrons the electronic configuration will be
S2- = 1s22s22p63s23p6
Which is the electronic configuration of Argon(atomic no - 18)