The Atom Essay Research Paper Many incredible

7 July 2017

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The Atom Essay, Research Paper

Many unbelievable theories about the construction of the atom arose during the bend of the twentieth century. Physicists from across the Earth searched for replies to so many unknown thoughts about the atom. Each clip a new thought came about the inquiries would non halt at that place. It would merely take to another hypothesis and hence lead to another pursuit to happen replies. Though the remainder of the universe was loath to encompass the new thoughts of the physicists of their clip, the theories developed were of import stairss in understanding the construction of the atom.

Sir Joseph John Thomson ( J.J. Thomson ) discovered the negatron in 1897. His experiment consisted of a watercourse of negatrons, which he directed through an evacuated glass tubing at a fluorescent screen bring forthing a little pinpoint of visible radiation where the beam struck the screen. He placed a magnet on the side of the tubing and was able to debar the watercourse of electricity so that the point jumped downward. This find opened a door on the universe of subatomic natural philosophies. Physicists found his experiment stunning. The deconstruction of the atom into subatomic atoms had begun.

Physicists now searched deeper. Ernest Rutherford paid close attending to the scientific discipline of radiation. He studied the mode in which alpha atoms scattered when fired at gilded foil. Rutherford asked the inquiry, & # 8216 ; can alpha atoms be scattered though a big angle? & # 8217 ; A research done by Ernest Marsden helped reply this inquiry. Since Rutherford had a steadfast appreciation of the sizes, velocities, and multitudes involved in atoms, Marsden & # 8217 ; s experiment astonished him. Around Christmas 1910, Rutherford discovered the atomic karyon. He understood that is was positively charged since alpha atoms fired at it did a speedy u-turn when they got near the centre. From this, the unseeable universe turned into the physicists & # 8217 ; chief sphere. With Albert Einstein & # 8217 ; s theory of relativity, the stiff model of infinite and clip, which was the skeleton of classical natural philosophies, was destroyed. Einstein thought of the atom as a touchable object, while Rutherford believed it to be the karyon and its negatrons dancing an arcane minuet. With this theory, Rutherford pulled the carpet under the pess of the universe and stunned them. The inquiry that now arose was how the negatrons were arranged around the karyon. This is the job of modern atomic theory. It was concluded that Rutherford & # 8217 ; s method was excessively barbarous. Alternatively, light beams were the substi

tute. From Isaac Newton’s thought that light travels in atoms, a hundred old ages subsequently the theory had changed into the thought that light travels in moving ridges. The thought came from the phenomenon of destructive intervention. Waves can call off each other out, but atoms can non. Max Planck took this thought to its following degree. He was interested in colour and came up with the atom theory of visible radiation. Planck produced a expression for the relation between colour and temperature. He stated that a hot organic structure emits light and beaming heat in distinct packages of energy. This led to Planck’s Law and Planck’s invariable, which we still use today. In 1909, Einstein built on Planck’s find. He suggested that light comes from packages or atoms, which he called quanta. While Planck assumed that visible radiation is emitted by hot organic structures in the signifier of distinct packages, Einstein concluded that it ever consists of such packages. From this, colour, wavelength, frequence, and energy became about interchangeable constructs when depicting visible radiation. Alternatively of the term light quanta, Gilbert Newton Lewis changed the construct to photons.

The first successful effort to depict the atom was done by Niels Bohr in 1913. He came up with the Bohr theoretical account, which he modeled after the planets go arounding around the Sun. This wasn & # 8217 ; t adequate to finish his theoretical account so Bohr was forced to travel beyond the thought of the solar system. In his theoretical account, the orbits are set and the velocity and energy are easy to calculate. He concluded that the larger the orbit of an negatron is the higher its energy degree will be. Bohr & # 8217 ; s theoretical account marked another victory for atomism. The construction of every physical phenomenon could be understood in footings of the gesture of atoms. But Bohr & # 8217 ; s theory still left unreciprocated inquiries. In 1924, Louis de Broglie studied the relationship between frequence and energy. In his survey, he pictured an negatron as a moving ridge going through a narrow canal. If the canal were curved into a circle, it would self-destroy because of intervention. De Broglie farther explained Bohr & # 8217 ; s theoretical account by utilizing the thought of wave-like nature. Bohr & # 8217 ; s theoretical account used point atoms, but de Broglie & # 8217 ; s theory was that it was both atom and moving ridge, a wave-particle. With this, de Broglie changed the universe & # 8217 ; s image of the atom.

Even though the universe was disbelieving about accepting the thoughts of these physicists, the thoughts that have developed from these heads have been historic. Without them, the atom & # 8217 ; s construction would likely still be a enigma.

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