Dalton's Atomic Theory Postulates Flashcards
1
Q
Number 1
A
Matter is composed of very small particles called atoms.
Atoms are the smallest unit of an element that participate in chemical changes.
2
Q
Number 2
A
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
3
Q
Number 3
A
Atoms of one element differ in properties from all other elements
4
Q
Number 4
A
A compound consists of atoms of two or more elements combined in small whole number ratios
5
Q
Number 5
A
Atoms are neither created nor destroyed in chemical reactions, but are rearranged to form different substances (compounds)