Covalent bonds test

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6 Terms

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Covalent bonds

occur between 2 non-metals, both atoms want to accept electrons, so they share electrons

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Pair or share

non-metals usually share their unpaired electrons

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Strength and length (properties of covalent bonds)

Single - longest + weakest

Triple - shortest + strongest

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7 Diatomic elements

As pure elements, they form covalent bonds with an atom of the same element. H2, N2, O2, F2, Cl2, Br2, I2

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Temperature - properties of covalent bonds

have much lower melting points and boiling points than ionic compounds

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Room temperature - properties of covalent bonds

 many covalent compounds are gases