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Nuclear Processes Models Project
3
Nuclear Processes Models Project
by Edwin and CJ
Fission
Fission is the reaction where the nucleus of an atom split into 2 or more atoms
Fission
Equation
92 235 U + 1 neutron → 36 92 K r + 56 141 B a + 3 neutrons + energy.
92 235 U + 1 neutron → 36 92 K r + 56 141 B a + 3 neutrons + energy.
Accountancy
56 141 + 36 92 = 92 235
56 141 + 36 92 = 92 235
Fusion
a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
Fusion
Strategy
1H^2 + 1H^2 = 2He^4
Assessment
Measurement 1
Measurement 1
Measurement 2
Measurement 2
Alpha decay
the nuclear decay process whereby the parent nucleus emits an alpha particle.
Alpha decay
Strategy
AZX→Z−4Z−2Y+42He Z A X → Z − 2 Z − 4 Y + 2 4 He
Targets
Beta decay
a radioactive decay in which a beta ray is emitted from an atomic nucleus.
Beta decay
Strategy
90 234 T h → 91 234 P a + − 1 0 e + energy.
Packaging
91 234 -
90 234 =
1 0
Gamma radiation
a type of electromagnetic radiation that results from a redistribution of electric charge within a nucleus.
Gamma radiation
Strategy
60 27Co = 60 28Ni + 0 -1e
Strategy
0 -1e + 60 28Ni
= 60 27
Comprhension
Comprehension
Nuclear and chemical reactions are different ways atoms can change. In nuclear reactions, the changes that happen in the center of the atom create huge amounts of energy - much more than in chemical reactions. This is why nuclear reactions are used for things like creating electricity and bombs. On the other hand, in chemical reactions, much less energy is involved because only the electrons around the nucleus of the atom are changing. This is why chemical reactions are used for things like cooking and burning fuel. So, nuclear reactions have much bigger energy changes than chemical reactions.