What is in group 7 period 4

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

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.

Building glycogen from glucose molecules is an example of