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An ionic bond, most definitely, Cupric sulfide or copper sulfide; the ratio of the ions and their oxidation state vary. A more common compound might be copper sulfate Cu2(SO4), which is the copper salt of sulphuric acid and it can be formed by reacting metallic copper with sulphuric acid.

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8y ago
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13y ago

Polar-covalent bond.

Cu has an electronegativity of 1.9 and S has an electronegativity of 1.9.

2.5 - 1.9 = .6

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11y ago

Copper Sulphide (Cu2S) is an ionic bond, as it is between a metal and a non-metal

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11y ago

An ionic bond where the METAL atoms and the NON-METAL atoms exchange electrons to become ions.

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9y ago

The bond between S and H would be similar to that between O and H as S and O are in the same group. So the bond would be covalent.

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13y ago

It is an ionic bond.

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9y ago

covalent and ionic

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Q: What type of bond is between copper and sulfur?
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