AP Chemistry
1.7 Periodic Trends
1.5 Atomic Structure and Electron Configuration
A student investigates periodic trends and compiles the valence electron configurations and first ionization energies for phosphorus and sulfur, shown in the table below.
Which of the following statements correctly identifies the element from which an electron is more easily removed and provides the valid chemical reasoning?
| Element | Valence Electron Configuration | First Ionization Energy (\(\text{kJ/mol}\)) |
|---|---|---|
| \(\text{P}\) | \(3s^2 3p^3\) | \(1012\) |
| \(\text{S}\) | \(3s^2 3p^4\) | \(1000\) |
Which of the following statements correctly identifies the element from which an electron is more easily removed and provides the valid chemical reasoning?
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