Dalton's Atomic Theory Flashcards
First Theory and is it true or false
All matter is made of tiny particles called
atoms; indivisible and indestructible units
False because atoms are destructable (Dalton believed that atoms were solid spheres)
2nd theory, true or false?
All atoms of a given element are identical,
False because neutrons and electrons can vary
Third theory, true or false
Atoms of a given element are different from
those of any other element.
True
4th Theory, true or false
Atoms of one element can combine with
atoms of other elements to form compounds.
A given compound always has the same
relative number and type of atoms, true
5th theory, true or false
Atoms are neither created nor destroyed in
chemical reactions, true. They are only created or destroyed in nuclear fusion or fission