AP Chemistry
1.8 Valence Electrons and Ionic Compounds
1.7 Periodic Trends
The table below shows the first five ionization energies in \(\text{kJ/mol}\) for three unknown representative elements, \(\text{X}\), \(\text{Y}\), and \(\text{Z}\), all located in Period 3 of the periodic table.
Based on the data in the table, which of the following is the most likely formula and justification for the stable binary ionic compound formed between element \(\text{Y}\) and nitrogen, \(\text{N}\)?
| Element | \(IE_1\) (\(\text{kJ/mol}\)) | \(IE_2\) (\(\text{kJ/mol}\)) | \(IE_3\) (\(\text{kJ/mol}\)) | \(IE_4\) (\(\text{kJ/mol}\)) | \(IE_5\) (\(\text{kJ/mol}\)) |
|---|---|---|---|---|---|
| \(\text{X}\) | \(496\) | \(4562\) | \(6910\) | \(9543\) | \(13354\) |
| \(\text{Y}\) | \(738\) | \(1451\) | \(7733\) | \(10543\) | \(13630\) |
| \(\text{Z}\) | \(578\) | \(1817\) | \(2745\) | \(11577\) | \(14842\) |
Based on the data in the table, which of the following is the most likely formula and justification for the stable binary ionic compound formed between element \(\text{Y}\) and nitrogen, \(\text{N}\)?
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