Which of the following is not supported by Dalton's Atomic Theory?
A)atoms
B)isotopes
C)compounds
D)elements

Name: Which of the following is not supported by Dalton's Atomic Theory? A)atoms B)isotopes C)compounds D)elements
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Question

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Dalton's Atomic Theory did not include the concept of isotopes. Isotopes are atoms of the same element with different numbers of neutrons in the nucleus, resulting in different atomic masses. This concept was not discovered until much later, during the early 20th century.

Which of the Following Is Not Supported by Dalton's Atomic