Which of the following explains how one of the postulates in John Dalton's atomic theory later became robust knowledge? (5 points) Select one: a. Some scientists found that some atoms of a particular element have different number of neutrons. b. Various scientists found that atoms combine in simple whole number ratios to form compounds. c. Some scientists found that atoms consist of subatomic particles with varying mass and charge. d. Various scientists found that sometimes a fraction of an atom can take part in a chemical reaction.
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Chemistry, 22.06.2019 07:20
2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here
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Which of the following explains how one of the postulates in John Dalton's atomic theory later becam...
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