Which of the following features of Dalton's atomic theory is/are no longer considered valid?
i.Each element is made up of tiny,individual particles called atoms
ii.Atoms are indivisible; they cannot be created or destroyed
iii.All atoms of each element are identical in every respect
iv.Atoms of one element are different from atoms of any other element
v.Atoms of one element may combine with atoms of another element to form chemical compounds
A)ii only
B)iii only
C)iv only
D)ii and iii
E)ii, iii, and iv

Question

Quizplus · Accepted Answer

It is now known that atoms can indeed be broken down into smaller particles, and not all atoms of the same element are identical (isotopes exist). However, the other features of Dalton's atomic theory are still considered valid.

Which of the Following Features of Dalton's Atomic Theory Is/are