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3.
|
The list which contains only metals is ....... |
|
| [ ] |
aluminum, copper, nitrogen |
| [ ] |
iron, oxygen, hydrogen |
| [ ] |
iron, silver, aluminum |
| [ ] |
iron, sulfur, copper |
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4.
|
Bronze is an alloy. It is composed of ....... |
|
| [ ] |
copper and tin |
| [ ] |
copper and zinc |
| [ ] |
iron and zinc |
| [ ] |
lead and tin |
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5.
|
A metal which is used in jewelry is ....... |
|
| [ ] |
lead |
| [ ] |
silver |
| [ ] |
tin |
| [ ] |
tungsten |
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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 |
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7.
|
The correct way to write the symbol for the metal chromium is ....... |
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| [ ] |
Ch |
| [ ] |
CH |
| [ ] |
Cr |
| [ ] |
CR |
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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 |
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9.
|
The most abundant metal in the Earth's crust is ....... |
|
| [ ] |
aluminum |
| [ ] |
copper |
| [ ] |
gold |
| [ ] |
iron |
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10.
|
The filament of a light bulb consists of the metal ....... |
|
| [ ] |
aluminum |
| [ ] |
iron |
| [ ] |
silver |
| [ ] |
tungsten |
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