The median Social Security benefit was $16,295 for men and $11,999 for women in 2012, AARP found. Retirement savings. Just under a third (30 percent) of retirees receive income from either a traditional pension or take withdrawals from a retirement savings account such as a 401(k) or individual retirement account.
The Sodium atom. 1  The Na atom has an equal number of electrons and protons (11 e-and 11 p+). 2  This atom too is unstable because the outer valance shell of electrons has only one electron in it. 3  To be stable the outer shell of electrons should have eight electrons.
A: Sodium belongs to the family of elements called alkali metals. The atomic number of sodium is 11 and its atomic weight is 22.98976928 atomic mass units or grams per mole. The symbol for sodium is Na. The electronic configuration of sodium is [Ne] 3S1 and it has one valence electron in the outermost shell.