Investigating the Nucleus – Here’s what you should know!
In order to understand what an atomic nucleus is, we must first know the definition of an atom. An atom is the absolute smallest unit of matter that constitutes every solid, liquid or gas. In each case the atom may be neutral or ionized; this depends on the number of protons or neutron present in the nucleus of the atom. Studying something that is naked to the human eye is both complicated and interesting. Hence, to fully grasp the basic concepts it is essential to avail of genuine investigating the nucleus homework help.
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History of the Nucleus
Understanding the history behind theories and concepts makes studying a subject more interesting. Look forinvestigating the nucleus homework help that provides you with accurate historical facts and information; below are a few facts about the discovery of the nucleus:
- Ernest Rutherford discovered the nucleus in 1911.
- At that time, J.J Thomson has already discovered the electron. Since atoms could not be electrically charged, he theorized that they must have a positive charge also.
- Rutherford with the help of Hans Geiger and Ernest Marsden conducted experiments to determine Thomson’s theory.
- They discovered that Thomson’s earlier plum pudding model was inaccurate and the atom, in fact, contained a dense center of mass and positive charge.
Nuclear Models
Before progressing on to complicated theories and definitions, it is crucial to understand the basic nuclear models upon which study of the nucleus was based. These models should be a part ofthe investigating the nucleus assignment help. They are as follows:
- Liquid Drop Model
This was one of the first models to be constructed. Here, the nucleus was viewed as a rotating drop of liquid where electromagnetic forces and nuclear forces were studied along with surface tension of the water. The drops were of different sizes and different phenomenon like their changing size, binding energy and compositional changes could be studied via this model.
- Shell Model
Investigating the nucleus homework help will be crucial in understanding the theory of the shell model. In this model the nucleus has no shape, instead, the nucleons are said to occupy atomic orbitals. These orbitals vary in nature and capacity from electromagnetic forces that are central for binding of the atoms. Problems revolving around this model include special deformations and other factors that lead many scientists to consider nuclear clusters around two-body and three-body forces.
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