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Questions and Answers
What is the state of matter in which particles have both definite volume and shape?
What is the state of matter in which particles have both definite volume and shape?
- Solid (correct)
- Gas
- Liquid
- Plasma
Which of the following is true about the gaseous state of matter?
Which of the following is true about the gaseous state of matter?
- Gases have a definite volume and shape
- Gases have a definite volume but not a definite shape (correct)
- Gases do not have a definite volume or shape
- Gases have a definite shape but not a definite volume
What happens to the kinetic energy of particles when a substance changes from a liquid to a gas?
What happens to the kinetic energy of particles when a substance changes from a liquid to a gas?
- It becomes zero
- It remains constant
- It decreases
- It increases (correct)
Which of the following is an example of a substance in the plasma state?
Which of the following is an example of a substance in the plasma state?
Flashcards
Solid state of matter
Solid state of matter
A state of matter with a definite shape and volume.
Gaseous state of matter
Gaseous state of matter
A state of matter with no definite shape or volume.
Kinetic energy & liquid-to-gas change
Kinetic energy & liquid-to-gas change
Kinetic energy increases when a liquid turns into a gas.
Plasma state example
Plasma state example
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Study Notes
Properties of Matter
- Solid State: In solids, particles are closely packed, resulting in a definite volume and shape due to strong intermolecular forces.
Gaseous State Characteristics
- Gas Properties: Gases have no definite shape or volume; they expand to fill their container and have much weaker intermolecular forces than solids or liquids.
Kinetic Energy Changes
- Liquid to Gas Transition: As a substance transitions from liquid to gas (a process known as vaporization), the kinetic energy of its particles increases, allowing them to overcome intermolecular attractions.
Plasma State Example
- Plasma: An example of a substance in the plasma state is ionized gas, like that found in stars, including the sun, where atoms are stripped of their electrons.
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