Science chemistry matter Flashcards
What is a particle?
A single piece of matter that is too small to be seen
What is an atom?
The smallest particle of matter that can exist on its own.
Name the three subatomic particle that makes up an atom
Protons, neutrons and electrons
How are particles in a solid arranged?
Particles are arranged in a regular pattern with all particles touching.
How are particles in a liquid arranged?
Particles are randomly arranged with all particles touching
How are particles in a gas exchanged?
Particles are randomly arranged with no particles touching
How do the particles move in a solid?
Particles vibrate In fixed positions
How do particles move in a liquid?
Particles slide over each other
How do particles move in a gas?
particles move quickly and randomly in all directions
What is an element?
A substance made up of only 1 type of atom
What is a molecule?
Two or more non metal atoms chemically bonded together
What is a compound?
a substance made of more than one type of atom chemically bonded
