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.
Nitrogen has 7 protons and thus 7 electrons to be neutral. It's total configuration is 1s2 2s2 2p3. Therefore, its valence configuration is 2s2 2p3. Nitrogen has 7 protons and thus 7 electrons to be neutral. It's total configuration is 1s2 2s2 2p3. Therefore, its valence configuration is 2s2 2p3.