How are organisms organized from simple to complex?

Which element would mostly likely have an electron affinity measuring closest to zero

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?