Chemistry

Chemistry, 19.09.2019 20:40, rainbow6e

1. first nuclear reactor
curie
2.
neutron
3. splitting of nuclei into lighter elements
atomic mass
4. number of neutrons and protons
becquerel
5. builds heavier elements
fermi
6. discovered radioactivity
fission
7. unit of radiation
fusion
need putting them in

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Physics, 02.07.2019 22:20, abigail251

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Physics, 19.10.2019 05:20, jjimenez0276

In a nuclear reactor, neutrons released by nuclear fission must be slowed down before they can trigger additional reactions in other nuclei. to see what sort of material is most is most effective in slowing (or moderating) a neutron, calculate the ratio of a neutron's final kinetic energy to its initial kinetic energy for a head-on elastic collision with each of the following stationary target particle; (note: the mass of a neutron is m = 1.009 u, where the atomic mass unit 1 u = 1.66*10^-27 kg) (a) an electron (m = 5.49*10^-4 u) (b) a proton (m = 1.007u) (c) the nucleus of a lead atom (m = 207.2 u) 2. based on your calculations in part 1, which material is the best moderator for neutrons?

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1. first nuclear reactor
curie
2.
neutron
3. splitting of nuclei into li...

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