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polar covalent bond
any difference in electronegativity >0.5
it's an ion
How do you know the difference between a ionc and covalent compound?
- difference in electronegativity >1.7
- (molecules=2 or more non-metals,
- ions are a metal and non-metal)
what is a resonance structure?
a lewis structure that can be formed in more than 1 way.
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