Diatomic noble gas molecules, such as He2 and Ne2, do not exist. a. Write their orbital electron

step 1 Turns out that the diatomic noble gases do not exist because their bond order ends up being zero

Diatomic noble gas molecules, such as He2 and Ne2, do not...

Diatomic noble gas molecules, such as $\mathrm{He}_{2}$ and $\mathrm{Ne}_{2},$ do not exist. a. Write their orbital electron configurations. b. Does removing one electron from each of these molecules create molecular ions $$\left(\mathrm{He}_{2}^{+} \text {and } \mathrm{Ne}_{2}^{+}\right)$$ that are more stable than $\mathrm{He}_{2}$ and $\mathrm{Ne}_{2} ?$

Diatomic noble gas molecules, such as $\mathrm{He}_{2}$ and $\mathrm{Ne}_{2},$ do not exist.
a. Write their orbital electron configurations.
b. Does removing one electron from each of these molecules create molecular ions $$\left(\mathrm{He}_{2}^{+} \text {and } \mathrm{Ne}_{2}^{+}\right)$$ that are more stable than $\mathrm{He}_{2}$ and $\mathrm{Ne}_{2} ?$

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Key Concepts

Molecular Orbital Theory

This theory describes how atomic orbitals combine to form molecular orbitals that are delocalized over the entire molecule. It explains the distribution of electrons in bonding and antibonding orbitals and helps predict molecular properties and stability.

Electron Configuration in Diatomic Molecules

Electron configuration in diatomic molecules involves placing electrons into molecular orbitals according to energy order, similar to atomic orbitals. Understanding the configuration is crucial for determining which electrons contribute to bonding (in bonding orbitals) and which oppose it (in antibonding orbitals).

Bond Order and Molecular Stability

Bond order is calculated as half the difference between electrons in bonding and antibonding orbitals. A higher bond order signifies a stronger, more stable bond, while a bond order of zero indicates that no net bond exists, explaining why some molecules do not form naturally.

Effect of Electron Removal on Molecular Ions

Removing an electron from a molecule can affect its bond order and overall stability. If the removed electron is from an antibonding orbital, the bond order may increase, potentially leading to a more stable molecular ion compared to the neutral species.

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