he electronic configuration for sodium is 1s2 2s2 2p6 3s1, and
the electronic configuration for potassium is 1s2 2s2 2p6 3s2 3p6
4s1. It requires 5.1 eV to remove the outermost electron (3s1) from
sodium. What can you say about the energy required to remove the
outermost electron from potassium (4s1)?
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Since each is the outermost electron around the atom, the
energy required will be equal to 5.1 eV. |
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Since each electron is in an s orbital, the energy required
will be equal to 5.1 eV. |
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Since the outermost electron around sodium is in the 3s state,
and the outermost electron around potassium is in the 4s state, the
energy required will be greater than 5.1 eV. |
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Since the outermost electron around sodium is in the 3s state,
and the outermost electron around potassium is in the 4s state, the
energy required will be less than 5.1 eV. |