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WorksheetsPOP QUIZ 1
Total questions: 20
Worksheet time: 22mins
Amorphous solids have _______ structure.
Dendritic
Regular
Irregular
Linear
Define - unit cell
smallest volume from which the entire crystal is built on by irregular repetition in 3 dimensions.
volume from which the entire crystal is built on by reverse repetition in 3 dimensions.
largest volume from which the entire crystal is built on by translational repetition in 3 dimensions.
smallest volume from which the entire crystal is built on by translational repetition in 3 dimensions.
An amorphous material have
Short range of order
Indefinite melting point
Isotropic nature
All the above
Example for crystalline solid
Glass
Quartz
Plastic
Rubber
Surface tension defined as
the interaction between the lone pair electrons of the electronegative atom and the hydrogen
the properties of condensed matter
the amount of energy required to stretch or increase the surface of a liquid by a unit area
the forces that holds atom together in a molecules
Crystalline solids have atoms that are arranged in an orderly repeating pattern.
TRUE
FALSE
How do amorphous substances differ from crystalline solids?
Amorphous substances have a lower density than crystalline solids.
Amorphous substances have a more ordered atomic structure than crystalline solids.
Amorphous substances do not have a regular, repeating pattern of atoms or molecules like crystalline solids do.
Amorphous substances have a higher melting point than crystalline solids.
Describe the characteristics of a crystalline solid.
A crystalline solid is a solid material whose atoms are arranged in a highly ordered, repeating pattern extending in all three spatial dimensions.
A crystalline solid is a gas material whose atoms are arranged in a highly ordered pattern.
A crystalline solid is a liquid material whose atoms are arranged in a highly ordered pattern.
A crystalline solid is a solid material whose atoms are arranged in a random pattern.
what is amorphous solid ?
one in which the particles are arranged regularly
one in which the particles are not arranged regularly
example of amorphous solid ?
metal
fabric
An amorphous solid has a definite melting point.
True
False
A state of matter with a definite volume, but no definite shape is a(n) _______.
liquid
solid
gas
All solids have a closely packed, fixed arrangement of particles.
True
False
Amorphous solids are _________________________
pseudo solids
solids with no sharp melting points
solids in which the particles have no repeating lattice pattern
All of these answers are correct
The greater the viscosity....
the more slowly the liquid flows.
the more quickly the liquid flows.
no changes will happen.
One unit cell defined as
the smallest group of particles in the material that constitutes the repeating pattern.
centers of eight identical particles.
the smallest group of particles in the material that constitutes the non-repeating pattern.
BCC
body centered cubic
based centered cubic
block centered cubic
black centered cubic
Type of crystalline solid
Ionic, Covalent, Molecular & Metallic
Polar, Non-polar & Ionic
Ionic, Covalent & Molecular
Polar, Non-polar & Molecular
Principle that could change the solubility of matter.
Solute - solvent interaction
Temperature
Pressure
Amount of solute present
All of the above
