3.
|
The list which contains only metals is ....... |
|
[ ] |
aluminum, copper, nitrogen |
[ ] |
iron, oxygen, hydrogen |
[ ] |
iron, silver, aluminum |
[ ] |
iron, sulfur, copper |
|
|
4.
|
Bronze is an alloy. It is composed of ....... |
|
[ ] |
copper and tin |
[ ] |
copper and zinc |
[ ] |
iron and zinc |
[ ] |
lead and tin |
|
|
5.
|
A metal which is used in jewelry is ....... |
|
[ ] |
lead |
[ ] |
silver |
[ ] |
tin |
[ ] |
tungsten |
|
|
6.
|
A metal, such as platinum, may be used in jewelry as ....... |
|
[ ] |
it is shiny and reactive |
[ ] |
it is shiny and unreactive |
[ ] |
it is soft and a good conductor of heat |
[ ] |
it is soft and cheap |
|
|
7.
|
The correct way to write the symbol for the metal chromium is ....... |
|
[ ] |
Ch |
[ ] |
CH |
[ ] |
Cr |
[ ] |
CR |
|
|
8.
|
The list which best describes the properties of metals is ....... |
|
[ ] |
strong, good conductor of heat and electricity, solid |
[ ] |
strong, poor conductor of heat and electricity, shiny |
[ ] |
weak, ductile, good conductor of heat and electricity |
[ ] |
weak, low melting point, poor conductor of heat |
|
|
9.
|
The most abundant metal in the Earth's crust is ....... |
|
[ ] |
aluminum |
[ ] |
copper |
[ ] |
gold |
[ ] |
iron |
|
|
10.
|
The filament of a light bulb consists of the metal ....... |
|
[ ] |
aluminum |
[ ] |
iron |
[ ] |
silver |
[ ] |
tungsten |
|
|