103389
Description
Note by sophiestone23, updated more than 1 year ago
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Created by sophiestone23
almost 11 years ago
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Page 1
an unstable nucleus becomes more stable by emitting an alpha or a beta particle or a gamma radictiation.
an alpha particles consist of two protons and two neutrons. When an unstable particle emits an alpha particle , its atomic number goes down by 2 and its mass goes down by 4.
Beta radiation is ionising radiation from space from devices such as x rays
nuclear reactions
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