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disa [49]
3 years ago
7

What is the predicited order of first ionization energies from highest to lowest for lithium sodium potassium and rubidium

Chemistry
1 answer:
velikii [3]3 years ago
4 0

The predicted order of ionization energies is Li > Na > K > Rb

<em>Atomic size increases as you go down a Group</em> (see image). We are adding electrons to increasingly larger shells.

The valence electrons are further from the attraction of the nucleus, so they are less tightly held.

Thus, <em>Li has the highest ionization energy</em> and <em>Rb the lowest</em>.

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