Amorphous and Crystalline Solids
Chemistry ⇒ States of Matter
Amorphous and Crystalline Solids starts at 9 and continues till grade 12.
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Describe the arrangement of particles in crystalline solids.
Describe the difference between isotropic and anisotropic properties in solids.
Describe the term 'supercooled liquid' in the context of amorphous solids.
Explain why amorphous solids are sometimes called 'pseudo-solids'.
Explain why amorphous solids do not have a definite heat of fusion.
Explain why glass is considered an amorphous solid.
Name two examples each of crystalline and amorphous solids.
What happens to an amorphous solid when it is heated?
Which of the following best describes the melting behavior of crystalline solids?
(1) They melt over a range of temperatures
(2) They do not melt
(3) They melt at a specific temperature
(4) They decompose before melting
Which of the following is a crystalline solid?
(1) Rubber
(2) Quartz
(3) Glass
(4) Plastic
Which of the following is a property of amorphous solids?
(1) Definite heat of fusion
(2) Long-range order
(3) Isotropic nature
(4) Sharp melting point
Which of the following is a property of crystalline solids?
(1) Definite melting point
(2) Irregular shape
(3) Isotropic nature
(4) No long-range order
Amorphous solids are also known as ______ solids.
Fill in the blank: Amorphous solids do not have a ______ melting point.
Fill in the blank: Amorphous solids have ______ arrangement of particles.
Fill in the blank: Crystalline solids are ______, while amorphous solids are isotropic.
State whether the following is true or false: Amorphous solids are isotropic because their properties are the same in all directions.
State whether the following is true or false: Amorphous solids have a definite geometric shape.
State whether the following is true or false: Amorphous solids have a regular arrangement of particles.
State whether the following is true or false: Crystalline solids are isotropic.
