Asked by kelvin calin
Which statement is part of Dalton's atomic theory?
Matter is composed of small particles called atoms.
Atoms can be divided into their subatomic particles.
Atoms are able to be seen with proper spectroscopy equipment.
Chemical reactions can change atoms from one type to another.
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"Matter is composed of small particles called atoms."
Explanation: Dalton's atomic theory stated that matter is made of indivisible atoms and that atoms of a given element are identical and are not created or destroyed in chemical reactions (reactions only rearrange atoms). The other statements contradict Dalton's postulates (atoms divisible into subatomic particles, atoms being directly seen, or atoms changing type in reactions).
Explanation: Dalton's atomic theory stated that matter is made of indivisible atoms and that atoms of a given element are identical and are not created or destroyed in chemical reactions (reactions only rearrange atoms). The other statements contradict Dalton's postulates (atoms divisible into subatomic particles, atoms being directly seen, or atoms changing type in reactions).
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