Discuss what observations convinced Rutherford that the nucleus was very small and dense.
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Q1: The normal U.S. average annual radiation dose
Q3: Why do the high-proton-number elements tend to
Q4: Name five different types of radiation detectors.
Q5: J. J. Thomson
A) observed back-scattering from nuclei.
B)
Q6: Ernest Rutherford
A) observed back-scattering from nuclei.
B) proposed
Q7: Compared to the electrostatic force, the nuclear
Q8: The number of protons in a neutral
Q9: An atom's mass number is determined by
Q10: Isotopes of an element have nuclei with
A)
Q11: All isotopes are unstable which have proton
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