Dalton's Atomic Theory Postulates

Question 1

Number 1

Answer 1

Matter is composed of very small particles called atoms.
Atoms are the smallest unit of an element that participate in chemical changes.

Question 2

Number 2

Answer 2

Elements consist of one type of atom that has a mass specific for that element and the same for all atoms of the element
NOT STRICTLY TRUE…ISOTOPES

Question 3

Number 3

Answer 3

Atoms of one element differ in properties from all other elements

Question 4

Number 4

Answer 4

A compound consists of atoms of two or more elements combined in small whole number ratios

Question 5

Number 5

Answer 5

Atoms are neither created nor destroyed in chemical reactions, but are rearranged to form different substances (compounds)