Chapter 1: Particles and their behaviour Flashcards
1
Q
What is a solid?
A
Particles that do not move around, but vibrate on the spot
2
Q
What is a liquid?
A
Particles that touch but can slide over each other
3
Q
What is gas?
A
Particles that are spread out far away from each other
4
Q
What is sublimation?
A
When a solid cannot be a liquid and changes from a solid straight to a gas
5
Q
What is diffusion?
A
When particles move about randomly in liquids and gases and spread out through mixtures
6
Q
What is gas pressure?
A
When gas particles move around colluding with walls of a container
7
Q
What is the melting point
A
The temperature at which a substance melts
8
Q
What is the boiling point?
A
The point at which a substance boils
