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Ernest Rutherford

Ernest Rutherford. Taylor and Manisha - Chem 11, period 3. Personal Story. Born Aug. 30 th , 1871 in Brightwater, N ew Zealand Died Oct. 19 th , 1937 in Cambridge, England Studied at Havelock School, Nelson College, and then won a scholarship to Canterbury College, University of New Zealand

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Ernest Rutherford

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  1. Ernest Rutherford Taylor and Manisha - Chem 11, period 3

  2. Personal Story • Born Aug. 30th, 1871 in Brightwater, New Zealand • Died Oct. 19th, 1937 in Cambridge, England • Studied at Havelock School, Nelson College, and then won a scholarship to Canterbury College, University of New Zealand • After two years there he moved to England for postgraduate school, working in the Cavendish Laboratory, University of Cambridge (1895-1898) • In 1898 he became chair of Macdonald Professor of physics at McGill University in Montreal • The work he did there earned him the Nobel Prize in Chemistry (1908) • Moved back to Britain to become the University of Manchester’s chair of physics in 1907 • He was knighted in 1914, and many of his students went on to win the Nobel Prize themselves

  3. Idea of the atom • Rutherford suggested that all the mass of an atom was concentrated in a very tiny, dense positive structure at the atoms centre called the nucleus • He also believe a neutral particle exists in the nucleus that added mass, but no charge to the atom • He theorized the atoms tiny positive nucleus accounts for 99% of its mass but only about a trillionth of its volume • Rutherford also mentored Niels Bohr, which helped Bohr to eventually refine Rutherford’s model even further

  4. Experiments/area of study • Performed the famous Gold Foil experiment to prove the concept of a nuclear atom • The alpha particles passed through the foil without changing direction, as he predicted • Some particles unexpectedly deviated at large angles • These findings allowed Rutherford to improve upon Thompsons atom model

  5. Major Scientific contribution • The Gold Foil experiment is his claim to fame in the field of chemistry • This kick stared other scientists into realizing an atom is made up of many sub-atomic particles, not just a single particle • His experiments showed that an atom consists of a positively charged nucleus and negatively charged electrons around it • He was able to use this knowledge to produce the most accurate atom model at the time, correcting some mistakes in Thompson’s flawed bun model • In 1997 the he had an element named after him (Rutherfordium)

  6. Bibliography • http://en.wikipedia.org/wiki/Ernest_Rutherford • http://www.blogodisea.com/wp-content/uploads/2010/08/Ernest-Rutherford.jpg • http://www.citycollegiate.com/atomic_structureXIj.htm • http://gifars.files.wordpress.com/2010/08/rutherford2.gif • http://3.bp.blogspot.com/_Da4JKu_7EEo/TK0hjRIn1XI/AAAAAAAAAB4/m-fyZ1UG5gM/s1600/goldfoilexperiment.jpg • http://library.canterbury.ac.nz/mb/art/images/nobel.jpg

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