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Which statement about protons is true? A. They have a charge that is always a whole number. B. They are smaller than neutrons and electrons. C. They weigh much less than electrons. D. They are inherently unstable.
Weegy: User: U-238, the common isotope of uranium, has 92 protons, 146 neutrons, and 92 electrons. U-235 is another isotope of uranium. How do the number of subatomic particles of U-238 and U-235 differ? A. U-238 has three more electrons than U-235. B. U-238 has three more neutrons than U-235. C. U-238 has one more proton and two more neutrons than U-235. D. U-238 has one more electron and two more protons than U-235. User: Why is the modern model of the electron known as the electron cloud model? A. The electrons float above the nucleus like clouds float over Earth. B. The orbitals of the electrons are best described as electron density clouds. C. It was discovered that the electrons themselves have a cloud of energy around them. D. Electrons occupy different energy levels around an atom like the different layers of clouds in Earth's atmosphere. (More)
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Updated 7/2/2012 11:33:52 AM
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B. The orbitals of the electrons are best described as electron density clouds.
Added 7/2/2012 11:33:53 AM
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