Chemistry, 22.08.2020 22:01 tddreviews
Why did J. J. Thomson reason that electrons must be a part of the atoms of all elements?
Charge-to-mass ratio of electrons was the same, regardless of the gas used.
Cathode rays are negatively-charged particles.
An electron is 2000 times lighter than a hydrogen atom.
Cathode rays can be deflected by magnets.
Answers: 1
Chemistry, 22.06.2019 04:20
Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.
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Chemistry, 22.06.2019 19:00
A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.
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Chemistry, 22.06.2019 22:00
The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?
Answers: 2
Why did J. J. Thomson reason that electrons must be a part of the atoms of all elements?
Charge-to-...
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