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Atomic Theory of Matter

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Questions and Answers

According to Dalton's atomic theory, which of the following is NOT true?

All atoms of an element are identical.

Atoms are the building blocks of matter.

Elements are composed of atoms.

In chemical reactions atoms are not changed into different types of atoms. (correct)

Who proposed the atomic theory with the postulate that compounds are formed when atoms of elements combine?

Democritus

Neither Democritus nor John Dalton

Both Democritus and John Dalton

John Dalton (correct)

According to Democritus, what can matter be divided into?

Atoms

Elements

Indivisible atomos (correct)

Compounds

Atomic Theory of Matter

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Questions and Answers

According to Dalton's atomic theory, which of the following is NOT true?

Who proposed the atomic theory with the postulate that compounds are formed when atoms of elements combine?

According to Democritus, what can matter be divided into?

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