Question

A major drawback of Dalton's atomic theory is the lack of explanation with regard to the presence of _____.
Select one:
A. isotopes
B. isotopes and isobars
C. isobars
D. None of the above​

Answer 1

Answer:

isotopes and isobars .

hope it helps

Answer 2

Answer:

B. Isotopes and Isobars

Explanation:

#Dalton's theory states that all atoms of same elements have same mass but Isotopes of same elements have different masses.

#It also states that atoms of different elements have different masses but the exceptions are Isobars.