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Physics 22 Online
OpenStudy (anonymous):

Which of the following atoms has the highest ionization energy? Choose one answer. a. P b. Cl c. Mg

OpenStudy (anonymous):

cl because the electrons are strongly held and it is small in size

sam (.sam.):

You'll have to assume that its first ionisation energy.

sam (.sam.):

because in the 11th ionisation energy, Mg is the highest

OpenStudy (anonymous):

1s2 2s2 2p6, 3s2 or the noble gas abbreviation [Ne] 3s2 this is the electronic configuration of magnesium. It is very difficult to take the outermost electron at this stage. So Mg has the highest ionisation potential.

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