Does Arsenic have a high or low ionization energy in comparison to Carbon? Explain why using the concepts of the structure of the atom

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

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.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.