Why did J. J. Thomson reason that electrons must be a part of the atoms of all elements?
An electron is 2000 times lighter than a hydrogen atom.
Charge-to-mass ratio of electrons was the same, regardless of the gas used.
Cathode rays are negatively-charged particles.
Cathode rays can be deflected by magnets.
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Chemistry, 22.06.2019 04:00
Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.
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Chemistry, 22.06.2019 18:00
Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
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Chemistry, 22.06.2019 22:30
How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso
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Why did J. J. Thomson reason that electrons must be a part of the atoms of all elements?
An electro...
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