12-10-2021
Chemistry

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What was John Dalton's contribution to the development of the atomic theory?

A
Dalton recognized that tiny atoms combined to form complex structures.

B
Dalton recognized the presence of electrons around a nucleus.

C
Dalton recognized the presence of protons in the nucleus.

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23-10-2021

Answer:

A. Dalton recognized that tiny atoms combined to form complex structures.

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