AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |
Back to Blog
Henry moseley atomic theory4/15/2024 ![]() ![]() ![]() ![]() In 1910, Moseley began postgraduate research at the University of Manchester, working in Rutherford’s laboratory. Rutherford’s influence played a crucial role in shaping Moseley’s scientific career. Moseley’s early interests included chemistry, physics, and mathematics.Īt Oxford, Moseley worked under the supervision of Sir Ernest Rutherford, a prominent physicist known for his work on radioactivity. His academic prowess earned him a scholarship to Trinity College, Oxford, in 1906, where he pursued studies in the natural sciences. Moseley attended Summer Fields School in Oxford and later entered Eton College in 1906. He was the third of four sons, and his family had connections to the scientific and intellectual circles of the time. Coming from a family with a strong academic background, Moseley showed early signs of intellectual curiosity. Henry Gwyn Jeffreys Moseley was born on November 23, 1887, in Weymouth, Dorset, England, to Henry Nottidge Moseley, a naturalist, biologist, and professor at the University of Oxford, and Amabel Gwyn Jeffreys. This great physicist died very young at the age of twenty-seven but his contribution to the scientific world will never be forgotten.Henry Gwyn Jeffreys Moseley: Advancing Atomic Physics through X-ray Spectroscopy On August 10, 1915, he was shot dead during the Battle of Gallipoli, in Turkey. His plans were never materialised because when the first World War broke out he decided to enlist in the British Army. In 1914, Henry Mosely planned to continue his physics reasearch at Oxford, so he resigned from his position at Manchester. This device basically consisted of glass-bulb electron tube in which the ionization of electrons caused the emission of X-rays photons finally resulting in photographic lines. Moseley is also known for the development of early X-ray spectrometry equipment which he learnt to design with the help of William Henry Bragg and William Lawrence Bragg at the University of Leeds. Both the apparent irregularities in the location of elements such as argon and potassium and the positioning of the rare earth (inner transition) elements in the periodic table could now be elucidated on the basis of atomic number. His method in early X-ray crystallography was able to sort out many chemical problems promptly some of them had confused chemists for a number of years. Moseley also predicted a number of missing elements and their periodic numbers in the Periodic Table. Before his finding, atomic numbers had been thought of as an arbitrary number, based on the sequence of atomic weights. This discovery is now known as the Moseley’s law. Through this he discovered a systematic relation between wavelength and atomic number. In 1913, while working at the University of Manchester, Moseley observed and measured the X-ray spectra of various chemical elements obtained by diffraction in crystals. In 1910, he graduated from Trinity College of the University of Oxford after which he earned a position in the laboratory of Ernest Rutherford at the University of Manchester under the supervision of professors such as Sir Ernest Rutherford. He received a King’s scholarship to attend Eton College where he excelled in mathematics, and was introduced to the study of x- rays by his physics teacher. Moseley was always a very bright student. It was not a surprise when Henry showed his interest in zoology. Henry’s mother, Amabel Gwyn-Jeffreys Moseley, was the daughter of the biologist and conchologist John Gwyn Jeffreys. Henry Nottidge Moseley, his father, was a biologist and also a professor of anatomy and physiology at the University of Oxford. He belonged to a rich, aristocratic, and scientifically accomplished family. Henry was born in Weymouth, Dorset, on the southwestern coast of England on November 23, 1887. ![]()
0 Comments
Read More
Leave a Reply. |