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alpha particle

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The positively charged nucleus of a helium atom. Each alpha particle consists of two protons and two neutrons. Alpha particles are emitted by some of the radioactive substances, they are also found in cosmic radiation.

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Home - Search - Browse - Alphabetic Index: 0- 1- 2- 3- 4- 5- 6- 7- 8- 9
A- B- C- D- E- F- G- H- I- J- K- L- M- N- O- P- Q- R- S- T- U- V- W- X- Y- Z

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