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An atom of the most common isotope of gold, au-197, has protons, neutrons, and electrons.
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When the earth was formed and cooled, why did nickel and iron end up in the center of the earth while basalt and granite ended up in the outer layers
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Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?
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As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
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Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons
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An atom of the most common isotope of gold, au-197, has protons, neutrons, and electrons....
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