DALTON’S ATOMIC THEORY1803

Read each of the following postulates and determine whether each is

True or False

POSTULATE #1

•All matter is composed of extremely tiny indivisible particles called atoms.

POSTULATE #2

•Atoms of a given element are identical in size, mass, and properties.

POSTULATE #3

•Atoms of different elements differ in size, mass and properties.

POSTULATE #4

•Atoms cannot be divided, created, or destroyed.

POSTULATE #5

•Atoms combine in simple whole number ratios to form compounds.

POSTULATE #6

•In reactions, atoms are combined, separated, and rearranged.

POSTULATE #7

•Atoms cannot be changed from one to another, or created, or destroyed.