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.
ï In a molecule of sodium chloride (NaCl), the sodium and chlorine atom are held together by an ionic bondâ¦The sodium atom (atomic number = 11) is the electron donor:Its valence shell has one unpaired electron,making the shell almost empty. In a molecule of sodium chloride (NaCl), the sodium and chlorine atom are held together by an ionic bondâ¦The sodium atom (atomic number = 11) is the electron donor:Its valence shell has one unpaired electron,making the shell almost empty.