phrygian
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Homework Statement
Rewrite each of the following lists from largest to smallest value of each property:
First Ionization Energy Be, P, Ne, F
Homework Equations
Our book says the general trend for ionization energy on the periodic table is to increase from left to right and decrease from top to bottom.
The key says the answer is Ne, F, P, Be.
The Attempt at a Solution
With the trends you can find that the energy for Ne is greater than for F which is greater than for Be. For P we can only see that it is less than N because it is located under N on the periodic table. How can P be compared to Be? Is there a way to approach this or was this just a bad problem?