NAIMMCQ Chemistry As iron is heated to 1181K, it adopts one type of cubic cell (A); then, as the temperature rises to 1674K, it changes to another cubic cell (B). The iron is changing from a _______ unit cell to a _______unit cell.

As iron is heated to 1181K, it adopts one type of cubic cell (A); then, as the temperature rises to 1674K, it changes to another cubic cell (B). The iron is changing from a _ unit cell to a _unit cell.

Chemistry

As iron is heated to 1181K, it adopts one type of cubic cell (A); then, as the temperature rises to 1674K, it changes to another cubic cell (B). The iron is changing from a _ unit cell to a _unit cell.

a. Body-centered cubic ? simple cubic
b. Body-centered cubic ? face-centered cubic
c. Face-centered cubic ? simple cubic
d. Face-centered cubic ? body-centered cubic
e. Simple cubic ? face-centered cubic

Answer: B

NAIMMCQ

As iron is heated to 1181K, it adopts one type of cubic cell (A); then, as the temperature rises to 1674K, it changes to another cubic cell (B). The iron is changing from a _______ unit cell to a _______unit cell.

As iron is heated to 1181K, it adopts one type of cubic cell (A); then, as the temperature rises to 1674K, it changes to another cubic cell (B). The iron is changing from a _______ unit cell to a _______unit cell.

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As iron is heated to 1181K, it adopts one type of cubic cell (A); then, as the temperature rises to 1674K, it changes to another cubic cell (B). The iron is changing from a _ unit cell to a _unit cell.

As iron is heated to 1181K, it adopts one type of cubic cell (A); then, as the temperature rises to 1674K, it changes to another cubic cell (B). The iron is changing from a _ unit cell to a _unit cell.