What is the ratio of effusion rates of krypton and neon at the same tempurature and pressure

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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.

Connect the whole numbers on the periodic table to indicate what they represent?