Presentation on theme: "Quiz 6.4 5 Questions 25 points. A chemical bond formed by the attraction between positive ions and surrounding mobile electrons is a(n) A.nonpolar covalent."— Presentation transcript:
A chemical bond formed by the attraction between positive ions and surrounding mobile electrons is a(n) A.nonpolar covalent bond. B.polar covalent bond. C.ionic bond. D.metallic bond.
The electron-sea model of the metallic bond helps to explain why metals are A.brittle. B.shiny. C.dull. D.malleable.
A metallic bond forms when positive ions attract A.stationary electrons. B.cations. C.nonvalence electrons. D.mobile electrons.
As light strikes the surface of a metal, the electrons in the electron sea A.allow the light to pass through. B.become attached to particular positive ions. C.fall to lower energy levels. D.absorb and re-emit the light.
Because metallic bonds permit one plane of ions to slide past another without breaking bonds, metals are A.brittle. B.nonreflective. C.malleable. D.poor conductors of electricity.
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