Describe at least two experiments, including the observed results, that caused the scientific community to accept changes to Dalton’s original model of the atom.
Thomson's Cathode Ray experiment discovered the electron and Rutherford's Gold Foil experiment discovered the nucleus... can someone help me write this, I know what I want to say I just have trouble putting it into sentences that make sense??
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Thomson split atoms into elections and ions
Rutherford found the nucleus
Lame excuse I know, but honestly, chemistry is just a really hard subject for me and I think I tend to make it more complicated then it actually is...
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I'm still writing it, ill post it here when im all done, but is there any other info u could give me?
okay, there's my answer, how does it sound?
does this sound accurate by any chance?
IT SOUNDS AWESOME!! GODD JOB ;D
yeah, u think so! good deal, thanks! :)
ill probably be asking more here soon, would u mind helping if I do?
Here's another one: Explain how Niels Bohr’s observation of hydrogen’s flame test and line spectrum led to his model of the atoms containing electron orbits around the nucleus.
i would start with the concepts of Leucippus Epicurus and Democritus
then explain Dalton's theory , before the two paragraphs you have a already
I found this excerpt on the second question:
Bohr hypothesized that energy is being added to the hydrogen gas in the electricity form, and then leaving the gas in the form of light. He figured the light rays to be quantized, meaning only certain frequencies of the light rays can be seen. In turn, he reasoned that the hydrogen atoms themselves were quantized and, that they only can exist in certain energy levels. When the atoms absorb specific amounts of energy, they exist for a small period of time in higher energy levels. But as soon as these atoms lose their energy, they move back down to the lower levels of energy. His theory went on to state how the hydrogen atom can move up and down the energy levels, one level
I haven't learned about Leucippus or Epicurus yet? Iv'e studied Democritus though... do u really think that's necessary? its not really asking for that?
Infrared radiation has a shorter wavelength, ____ frequency, and ____ energy than visible light.
higher, higher<< I think this is the answer
for the Bohr's question, I have to re-word the excerpt I posted...
its d ;D
really? I though it was greater the wavelength the lower the frequency and vice versa? ohh well, I trust u :D
could u (maybe) help me re-word the Bohr's answer?