Central Atom
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Re: Central Atom
The atom with the lowest ionization energy is commonly used as the central atom when drawing lewis structures! Dr. Lavelle talked about this briefly in lecture :)
Re: Central Atom
The atom that is more electronegative is in the middle because it's pulling more electrons to itself.
Re: Central Atom
Typically you choose the atom with the lowest ionization energy as the central atom.
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Re: Central Atom
Also if you have something which has one of one species and 4 of another it is almost always the with which is less frequent (if you think about number of bonds and octet rule).
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Re: Central Atom
The central atom of a molecule is usually an atom of the element with the lowest ionization energy.
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Re: Central Atom
The atom with lowest ionization energy because they pull other atoms toward it with its electrons that it shares
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Re: Central Atom
The atom with the lowest ionization energy is usually the central atom because it is able to create the most bonds. You can also look for the atom with the lowest electron affinity since they share the same trend.
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Re: Central Atom
Typically the atom with the lowest electronegativity is the central atom. The only exception to the rule is Hydrogen.
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Re: Central Atom
Atom ionization energy levels generally follow a trend of decreasing as you move left across and down the periodic table.
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Re: Central Atom
Just put the ones that are more left and more down as the central atom, as they have lower ionization energies.
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