Nitride
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The nitride ion is N3− (a nitrogen atom plus three electrons).
A nitride (compound) is a compound that has nitrogen with more electropositive elements.
Some nitrides are salt-like compounds, but many are inert compounds similar to carbides.
Nitride has 7 protons (like nitrogen) but has 10 electrons, 3 more than nitrogen. The mass still matches Nitrogen's with a mass of 14 amu.
[edit] Examples
- lithium nitride (Li3N)
- boron nitride (BN)
- titanium nitride (TiN) - often used as a coating on metals to provide resistance to wear