An experiment demonstrates that 12 g of carbon reacts completely with 16 g of oxygen to form carbon monoxide, whereas the same 12 g of carbon reacts with 32 g of oxygen to produce carbon dioxide. Dalton interpreted such quantitative findings to formulate his atomic postulates regarding compound formation. Which statement correctly evaluates this chemical evidence in terms of Dalton's atomic model?

A) Atoms retain their individual identities and characteristic masses while combining in simple whole-number ratios to form compounds.

B) Oxygen atoms split into fractional pieces to allow the formation of carbon monoxide from carbon dioxide.

C) Carbon atoms alter their intrinsic mass depending on the quantity of oxygen available during the reaction.

D) Valence electrons are transferred in varying proportions between carbon and oxygen atoms during compound formation.

Dalton's model Transitional Reasoning Practice

Chemistry · Atomic Structure · Chemistry · Models of the Atom

1 Chemistry practice questions on Dalton's model. Questions that build towards applied reasoning.

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Atomic Structure · Chemistry

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