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.
The element sodium has an atomic number of 11 and a mass number of 23. How many protons, neutrons, and electrons does one atom contain? A) 11p+, 11e-, 12no B) 11p+, 12e-, 11no C) 11p+, 11e-, 23no D) 12p+, 12e-, 11no