particle nature of matter (introduction)

mass

amount of matter

volume

amount of space occupied

(kinetic) molecular theory of matter

all matter is made up of tiny particles called molecules that are in constant motion.

molecule

particle consisting of 2 or more atoms

molecule

electrically neutral particle

molecule

smallest particle of an element or compound that can exist independently

particle theory of matter

describes the different phases of matter at the microscopic level

particle theory of matter

explains the difference in the properties of the different phases

particle of matter

explains the changes of phases of matter

states of matter

physical forms which a substance can exist

surface tension

force that acts on the particles at the surface of the liquid

democritus and leucippus

2 people who contributed to the history of atom

“atomos”

“uncuttable particles” or “invisible”

atomic theory

john dalton’s theory

dependent on temperature

KMT possesses energy of motion that is

constant and random

particles are in ___ motion

kinetic energy

energy that the particles in motion possess

elastic

collisions between particles are perfectly ___