Homework Clinic
Science Clinic => Chemistry => Topic started by: tingc95 on Nov 18, 2019
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Question 1
Which of the following is TRUE concerning interstitial alloys?
◦ Brass is an example of an interstitial alloy.
◦ The metal takes on the properties of the foreign atoms once they are present.
◦ The foreign atoms present weaken the metallic structure.
◦ They are alloys composed of two nonmetallic elements.
◦ Small atoms fit in between the metal atoms in the crystal structure.
Question 2
An interstitial alloy contains nitrogen in half of the octahedral holes of a closest-packed metal, M. What is the formula of this alloy?
◦ M4N
◦ MN
◦ MN2
◦ MN4
◦ M2N
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Answer 1
Small atoms fit in between the metal atoms in the crystal structure.
Answer 2
M2N