PROTON - Positively charged particle., NEUTRON - The subatomic particle with no electric charge., ELECTRON - The subatomic particle with a negative charge., NUCLEUS - The centre of the atom., MASSNUMBER - A measurement equal to the number of protons and neutrons in the nucleus., ATOMICNUMBER - Is the same as the number of protons in an element., SUBTRACT - To calculate the number of neutrons in an element you _____ the number of protons from the mass number., POSITIVE - The nucleus has a __________ charge., BETA - Radiation particle that can be stopped by a thin piece of aluminum foil., ALPHA - This radioactive particle has the same structure as a helium atom., GAMMA - A type of ray on the electromagnetic spectrum which is capable of damaging DNA., ISOTOPE - Atoms with the same atomic number but with different mass numbers, RADIOISOTOPE - Isotopes with an unstable nucleus that can decay and release radiation, HALF-LIFE - The time taken for half of a radioactive sample to decay,

Nuclear Physics Terminology

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