solids Flashcards
(27 cards)
What is a solid?
A solid is a state of matter characterized by defined shape and volume.
True or False: Solids have a definite shape and volume.
True
Fill in the blank: Solids are made up of tightly packed ________.
particles
What are the two main types of solids?
Crystalline solids and amorphous solids.
Which type of solid has a long-range order in its structure?
Crystalline solids.
True or False: Amorphous solids do not have a definite melting point.
True
What is the primary characteristic of crystalline solids?
They have a repeating pattern in their arrangement of particles.
What is an example of an amorphous solid?
Glass.
What is the term for the ability of a solid to be stretched or compressed?
Elasticity.
Fill in the blank: The measure of a solid’s resistance to deformation is called ________.
hardness
What property of solids allows them to maintain shape under applied force?
Rigidity.
True or False: All solids are rigid.
False
What is the difference between metals and non-metals in terms of solid properties?
Metals are generally malleable and ductile, while non-metals are brittle.
What is the term for solids that can conduct electricity?
Conductors.
What type of solid is typically characterized by a high melting point?
Ionic solids.
Fill in the blank: The structure of a ________ solid consists of ions held together by ionic bonds.
ionic
What is the term for solids that do not conduct electricity?
Insulators.
True or False: Solids can only exist at low temperatures.
False
What is meant by the term ‘molecular solid’?
A solid composed of molecules held together by intermolecular forces.
What is an example of a molecular solid?
Sugar.
What is the main characteristic of network solids?
They have a large network of covalent bonds.
Fill in the blank: Solids that are brittle, hard, and have high melting points are often ________ solids.
covalent
What is polymorphism in the context of solids?
The ability of a solid to exist in more than one form or crystal structure.
What is the term for the process of a solid turning into a liquid?
Melting.
