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QuestionChemistry

What charge does nitrogen form when it becomes an ion?
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Answer

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Step 1:
I'll solve this problem step by step:

Step 2:
: Understand Nitrogen's Electron Configuration

- Electron configuration is $$1s^{2} 2s^{2} 2p^{3}
- Nitrogen is in Group 15 (VA) of the periodic table - Its atomic number is 7

Step 3:
: Determine Valence Electrons

- Nitrogen has 5 valence electrons in its outer shell - To achieve a stable electron configuration like noble gases, it needs to gain 3 electrons

Step 4:
: Predict Ion Formation

- The electron configuration becomes $$1s^{2} 2s^{2} 2p^{6}$$, which is identical to neon's configuration
- This allows it to have a complete octet (8 electrons) in its outer shell

Final Answer

Nitrogen forms a N^{3^{-}} (nitride) ion when it becomes an ion.