Rutherford

Ernest Rutherford was born in Nelson, New Zealand. Rutherford demonstrated his abilities as a scientist early on while working on his B.Sc. at the University of New Zealand in 1894. He showed that the magnetization can be removed from a magnetized iron needle by dissolving the surface layer of the metal in acid. He began work at Cambridge in 1895 and was a professor at the University of Manchester from 1907 on. It is during this time period that Rutherford made his most important discoveries. slopped to of Rutherfords work was piazzaed on radioactivity. He is the one who named the of import and of import particles. In 1911, Rutherford conducted his famous deluxe foil experiment. He enjoin of import particles at a thin tack of gold foil and expected the particles to simply travel peachy by means of the foil. However, he obtained very different results. Although many of the particles did in concomitant go straightaway through the foil, some of them were deflected at rot und angles. Rutherford concluded that the deflections of the important particles were caused by a center of arrogant charge that contained most of the atoms mass (the core group). He similarly explained that the particles that went straight through the foil did so because the atom is more a good deal than non empty space and that the distance between electrons and the nucleus is abundant compared to the size of the nucleus itself. In 1919, he discover the drippy decomposition of nitrogen. His experiments show that under alpha radiation, nitrogen is decomposed and henry is formed.

Rutherford also devised a n electrical method for counting the fig of! alpha particles emitted from radioactive substances. Using this method, he measured the make sense of alpha particles expelled per second from one gram of radium to be 34000. before Rutherford, the smallest particle of matter was represented as a strong ball. Rutherfords experiments with the decay of radioactive elements caused him to think in call of a more definite structure. He observed that the disintegration of elements was attended by emissions of positive helium and of negative particles of about no mass. He then concluded that an atom is not the remnant unit of matter, rather, it is composed of subatomic particles. If you want to outsmart a full essay, order it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay