Which of the following is not a description of atoms according to Dalton's atomic theory?
A)Atoms cannot be destroyed or created
B)Atoms of different elements may combine in the ratio of small, whole numbers to form compounds
C)Atoms of the same element that have different masses are called isotopes
D)All atoms of one element have the same mass
E)Atoms of two different elements have different masses

Question

Quizplus · Accepted Answer

Dalton's atomic theory did not include the concept of isotopes, which was not discovered until much later.

Which of the Following Is Not a Description of Atoms