げんしかく
原子核
1. nucleus; atomic nucleusPhysics
2. Atomic nucleusThe nucleus is the very dense region consisting of protons and neutrons at the center of an atom. It was discovered in 1911, as a result of Ernest Rutherford's interpretation of the famous 1909 Rutherford experiment performed by Hans Geiger and Ernest Marsden, under the direction of Rutherford. The proton–neutron model of nucleus was proposed by Dmitry Ivanenko in 1932. Almost all of the mass of an atom is located in the nucleus, with a very small contribution from the orbiting electrons.
Read “Atomic nucleus” on English Wikipedia
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Read “Atomic nucleus” on DBpedia
Read “Atomic nucleus” on English Wikipedia
Read “原子核” on Japanese Wikipedia
Read “Atomic nucleus” on DBpedia
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