In 2012, the median income of retiree aged units (with no earnings from work) age 65 and over with pensions and Social Security was more than twice the income of aged units receiving only Social Security.
EXAMPLE:: Assign a formal charge to the nitrogen in the compound shown below. 1  Nitrogen is in group five; thus, it has five valence electrons. 2  Number of non-bonding electrons: there are no non-bonding electrons, so this is zero.
Ammonium nitrate (AN) is 34% N with half of the N in nitrate form and the other half in ammonium form. If ammonium nitrate is applied on the surface, less ammonia is lost to volatilization than urea. However, the loss by nitrate leaching is more likely than urea.