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WorksheetsNuclear Reactions and Radioactive Decay
Total questions: 27
Worksheet time: 10mins
Indicates the identity of the atom
Atomic number
Mass number
Number of neutrons
Number of electrons
Atomic number is the same as the
Number of protons
Mass number
Number of neutrons
Number of electrons
Mass number
Protons + neutrons
Protons + electrons
Neutrons + electrons
Just protons
Joining of two nuclei to make one
Nuclear fusion
Nuclear fission
Radioactive decay
Gamma decay
Splitting of one nuclei into smaller fragments
Nuclear fusion
Nuclear fission
Radioactive decay
Gamma decay
Unstable nuclei becomes more stable
Nuclear fusion
Nuclear fission
Radioactive decay
Gamma decay
Too many neutrons!!!! Neutron becomes a proton, increasing atomic number
Nuclear fusion
Alpha decay
Beta decay
Gamma decay
Too many neutrons AND protons!!!! Two neutrons and two protons emitted
Nuclear fusion
Alpha decay
Beta decay
Gamma decay
Parent isotope is EXCITED because absorbed too much energy. Large amount of energy released.
Nuclear fusion
Alpha decay
Beta decay
Gamma decay
Releases alpha particle
Nuclear fusion
Alpha decay
Beta decay
Gamma decay
Releases beta particle
Nuclear fusion
Alpha decay
Beta decay
Gamma decay
Releases gamma ray
Nuclear fusion
Alpha decay
Beta decay
Gamma decay
Original, unstable isotope
Parent isotope
Father isotope
Daughter isotope
Son Isotope
Final, more stable isotope following decay
Parent isotope
Father isotope
Daughter isotope
Son Isotope
Stability of an isotope's nucleus depends on
How long it has been around
Ratio of neutrons to protons
Ration of protons to electrons
How much there is
If an isotope has too many neutrons, it will probably
Lose some
Gain some
If an isotope has too many protons, it will probably
Lose some
Gain some
If an isotope has too few protons, it will probably
Lose some
Gain some
An isotope symbol has the mass number on the
Top
Bottom
An isotope symbol has the atomic number on the
Top
Bottom
Releases large amounts of energy at nuclear power plants
Nuclear fission
Nuclear Fusion
Radioactive Decay
Combustion
Occurs at the core of stars to product energy for entire solar systems
Nuclear Fission
Nuclear Fusion
Radioactive Decay
Combustion
Starts with U-235 isotopes
Nuclear Fission
Nuclear Fusion
Alpha Decay
Gamma Decay
Requires free neutrons to start the reaction
Nuclear Fission
Nuclear Fusion
Alpha Decay
Gamma Decay
Product is a Helium-4 isotope
Nuclear Fission
Nuclear Fusion
Alpha Decay
Gamma Decay
Releases gamma rays
Nuclear Fission
Nuclear Fusion
Alpha Decay
Beta Decay
Which REACTION releases the MOST energy?
Nuclear Fission
Nuclear Fusion
Alpha Decay
Beta Decay
