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Physical Science Review 5.4
Test Description: Metallic Bonding
Instructions: Answer all questions to get your test result.
1) Which is a metallic bond?
A
Si-Si
B
Ca-Cl
C
P-Cl
D
Cl-Cl
2) A metallic bond is an attraction between
A
a nonmetal ion and surrounding electrons
B
a metal ion and surrounding electrons
C
a metal ion and a nonmetal ion
D
2 nonmetal atoms
3) ___________________ is a mixture of 2 or more metals
A
a molecule
B
an alloy
C
an ion
D
2 of the choices
4) ___________________________ properties of alloys can differ greatly from elements its made of
A
physical properties
B
chemical properties
C
physical and chemical properties
D
no
5) What part of a metal bond can change position?
A
the bonds between electrons and electrons
B
the bonds between positive ions and positive ions
C
the bonds between positive ions and negative ions
D
the bonds between ions and electrons
6) When light strikes valence electrons
A
they absorb light only
B
they absorb heat only
C
they absorb light and reflect it
D
they absorb heat and re-emit it
7) metallic bonds
A
can conduct electric current because of moving ions
B
canot conduct electric current because of moving ions
C
can conduct electric current because of moving valence electrons
D
cannot conduct electric current because of moving valence electrons
8) The model that represents metallic bonding is
A
the mass of ions
B
the sea of electrons
C
the sea of ions
D
the mass of electrons
9) Why is it preferable to make alloys?
A
they are stronger than other metals
B
none of the choices
C
both of the choices
D
they are less reactive than other metals
10) Metal atoms in a metallic bond are
A
2 of the choices
B
in unspecific arrangements
C
close
D
negatively charged
*select an answer for all questions
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