7. De acuerdo con esta clasificación, no es un hidrocarburo A. CH3-CO-CH3 B. CH4 C. C6H6 D. CH3-CH2-CH3 8. No se considera como compuesto orgánico A. Plásticos B. Dióxido de carbono C. Almidón D. Tejido óseo

A

Explanation:

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.