Multiple Choice
Why can't chromium and nickel form a miscible solid solution over the entire composition range?
A) The lever rule says that these two metals can't coexist in an alloy.
B) The two metals crystallize into different cubic structures in their pure forms.
C) The tetrahedral holes in the nickel crystal are not large enough to accommodate the chromium.
D) The octahedral holes in the chromium crystal are not large enough to accommodate the nickel.
E) None of the above is true.
Correct Answer:
Verified
Correct Answer:
Verified
Q50: Identify the substances which are homogeneous,naturally occurring,crystalline
Q51: Give the components of bronze.<br>A) copper and
Q52: An interstitial alloy contains nitrogen in half
Q53: Which of the following is NOT generally
Q54: Identify the element with the highest thermal
Q55: Which of the following is an example
Q56: Which of the following is TRUE concerning
Q57: Which of the following is TRUE concerning
Q58: Which of the following describes gangue?<br>A) the
Q60: Chromate,CrO<sub>4</sub><sup>-</sup>,has a(n)_ shape.<br>A) octahedral<br>B) trigonal bipyramidal<br>C) trigonal