what is the energy level diagram of N_{2} and F_{2}?

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The atomic number of Nitrogen is **7** and the electronic configuration is **1s**^{2}** 2s**^{2}**2p**_{x}^{1}**2p**_{y}^{1}**2p**_{z}^{1}**.** N_{2} molecule is consists of 2 N-atoms, the total number of electrons in N_{2} molecule is **14**. In N_{2} molecule's energy level diagram can be drawn as:

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On the similar basis, try to draw the molecular orbital diagram of F_{2} molecule yourself. The atomic number of F is **9** and its electronic configuration is **1s**^{2}** 2s**^{2}**2p**_{x}^{2}**2p**_{y}^{2}**2p**_{z}^{1}**.** The total number of electrons in F_{2} molecule will be **18**. A point to remember here, is that** F**_{2}** molecule has more than 14 electrons, therefore, the molecular orbital (σ2p**_{z}**) will have lesser energy than molecular orbitals (π2p**_{x}**=π2p**_{y}**).**

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