Q18
A material is said to be allotropic, if it has
A.
Fixed structure at all temperatures
B.
Atoms distributed in random pattern
C.
Different crystal structures at different temperatures
AnswerD.
Any one of the above
Answer: Option C
Solution
Answer: Option C
Solution:
allotropy is the existence of two or more crystalline or molecular structural forms of an element that have different chemical or physical attributes.