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6.4 The Structure Of Metals
Test Description: This review will reinforce knowledge of metal properties
Instructions: Answer all questions to get your test result.
1) When a metal cation and the shared electrons that surround it are attracted to each other they form a:
A
hydrogen bond
B
ionic bond
C
metallic bond
D
covalent bond
2) The cations in a metal form a lattice. Select from the words below to describe that metallic bonds that hold the cations and surrounding electrons in place.
A
water soluable
B
strong
C
weak
D
brittle
3) Which of the following is an important property of metals?
A
does not conduct electricity
B
able to be hammered or pressed out permanently
C
liquid at room temperature
D
cannot be made into wire
4) Which of the following is an important property of metals?
A
has the ability to conduct electricity
B
cannot be made into wire
C
liquid at room temperature
D
unable to be hammered or pressed out permanently
5) A mixture of two or more elements where at least one is a metal is called a(n):
A
bimetal
B
alloy
C
ore
D
metalloid
6) If 24-carat gold is 100% gold, what is the percentage of gold contained in 18-carat gold?
A
55 percent
B
15 percent
C
35 percent
D
75 percent
7) When a metal such as copper is mixed with gold, the gold becomes:
A
softer
B
harder
C
heavier
D
brighter
8) What two elements do all types of steel contain?
A
iron and carbon
B
carbon and tin
C
iron and bronze
D
carbon and brass
9) Pure aluminum is not the best material for the body of an airplane because:
A
it bends and dents too easily
B
it has a low freezing point
C
it has an irregular lattice arrangment
D
it cannot be made into an alloy
10) What two metals are used to make the alloy brass?
A
copper and gold
B
copper and tin
C
copper and zinc
D
copper and aluminum
*select an answer for all questions
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