States Of Matter And Particle Models Flashcards
What are the three primary states of matter?
Solid, liquid, gas
True or False: In a solid, particles are tightly packed and vibrate in place.
True
Fill in the blank: In a liquid, particles are _____ than in a solid but still close together.
more mobile
Which state of matter has a definite shape and volume?
Solid
What is the particle model?
A theory that explains the properties of matter in terms of particles and their interactions.
True or False: Gases have a definite shape and volume.
False
What happens to the particles in a gas when heated?
They move faster and spread apart.
Multiple choice: Which state of matter has the highest energy level? A) Solid B) Liquid C) Gas
C) Gas
Fill in the blank: The process of a solid turning directly into a gas is called _____
sublimation
What is the term for the change from liquid to gas?
Evaporation
True or False: The particle model can explain changes in state, such as melting and freezing.
True
In which state of matter do particles have the strongest intermolecular forces?
Solid
What is the effect of increasing temperature on the kinetic energy of particles?
It increases the kinetic energy.
Multiple choice: Which of the following states of matter has no fixed volume? A) Solid B) Liquid C) Gas
C) Gas
Fill in the blank: The process of a gas turning into a liquid is called _____
condensation
