Sulfide Ion and Electron Configuration Concepts

The video tutorial covers the electron configurations of sulfur and sulfide ions, explaining why the S2- ion has a larger radius than the sulfur atom due to increased electron-electron repulsions. It also discusses the magnetic properties of these species, highlighting that sulfur is paramagnetic due to unpaired electrons, while S2- is not. Finally, the video compares the ease of electron removal between the S2- ion and argon, noting that S2- has a lower effective nuclear charge, making it easier to remove an electron.

What is the electron configuration of a sulfide ion?

• 1s2 2s2 2p6 3s2 3p3

• 1s2 2s2 2p6 3s2 3p5

• 1s2 2s2 2p6 3s2 3p6

• 1s2 2s2 2p6 3s2 3p4

Why does the sulfide ion have a larger radius than the sulfur atom?

• It has fewer energy levels.

• It has more protons.

• It has a higher nuclear charge.

• It has more electron-electron repulsions.

Which factor is NOT considered when comparing the radii of sulfur and sulfide?

• Energy levels occupied

• Number of protons

• Number of neutrons

• Number of electrons

Which of the following is true about the sulfide ion compared to the sulfur atom?

• Sulfide ion has fewer electrons.

• Sulfide ion has more electron-electron repulsions.

• Sulfide ion has a smaller radius.

• Sulfide ion has a higher nuclear charge.

What characteristic must a species have to be attracted to a magnetic field?

• Unpaired electrons

• Paired electrons

• A full outer shell

• More protons than electrons

Which species is attracted to a magnetic field?

• Both sulfide ion and sulfur atom

• Argon atom

• Sulfide ion

• Sulfur atom

What does it mean for a species to be paramagnetic?

• It has more protons than electrons.

• It has unpaired electrons.

• It has paired electrons.

• It has a full valence shell.

Which species is isoelectronic with the sulfide ion?

• Neon

• Argon

• Krypton

• Helium

Why is it easier to remove an electron from a sulfide ion than from an argon atom?

• Sulfide ion has a higher electron affinity.

• Sulfide ion has more protons.

• Sulfide ion has fewer energy levels.

• Sulfide ion has a lower effective nuclear charge.

What does 'isoelectronic' mean?

• Same electron configuration

• Same number of protons

• Same atomic radius

• Same number of neutrons