Physical Science Review 5.4: Question Preview (ID: 15619)


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Which is a metallic bond?
a) Si-Si b) Cl-Cl c) P-Cl d) Ca-Cl
A metallic bond is an attraction between
a) a metal ion and surrounding electrons b) a metal ion and a nonmetal ion c) 2 nonmetal atoms d) a nonmetal ion and surrounding electrons
___________________ is a mixture of 2 or more metals
a) an alloy b) an ion c) a molecule d) 2 of the choices
___________________________ properties of alloys can differ greatly from elements its made of
a) physical and chemical properties b) physical properties c) chemical properties d) no
What part of a metal bond can change position?
a) the bonds between ions and electrons b) the bonds between positive ions and positive ions c) the bonds between electrons and electrons d) the bonds between positive ions and negative ions
When light strikes valence electrons
a) they absorb light and reflect it b) they absorb light only c) they absorb heat and re-emit it d) they absorb heat only
metallic bonds
a) can conduct electric current because of moving valence electrons b) cannot conduct electric current because of moving valence electrons c) can conduct electric current because of moving ions d) canot conduct electric current because of moving ions
The model that represents metallic bonding is
a) the sea of electrons b) the sea of ions c) the mass of electrons d) the mass of ions
Why is it preferable to make alloys?
a) they are stronger than other metals b) they are less reactive than other metals c) both of the choices d) none of the choices
Metal atoms in a metallic bond are
a) close b) in unspecific arrangements c) negatively charged d) 2 of the choices
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