EA 1 decreases from left to right across a period. The electron added to Sb must

ID: 554159 • Letter: E

Question

EA1 decreases from left to right across a period.

The electron added to Sb must be paired with another electron.

The electron added to Sn must be paired with another electron.

The electron added to Sn goes into a higher subshell.

The electron added to Sb goes into a higher subshell.

Select the single best answer.

Why is the EA1 for Sn greater than the EA1 for Sb?

EA1 decreases from left to right across a period.

The electron added to Sb must be paired with another electron.

The electron added to Sn must be paired with another electron.

The electron added to Sn goes into a higher subshell.

The electron added to Sb goes into a higher subshell.

The electron added to Sb must be paired with another electron.

Sb has 3 unpaired electron in outermost shell when one electron is added then it results in pairing.

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