Tuesday, 29 March 2011

Similarities and differences between electrons and protons (Comparison and Contrast)


             Every atom is made up of a proton, a neutron and electron. A neutron does not have a mass and is found in the nucleus together with the protons. Protons and electrons are dissimilar in many ways such as:

             Protons are found in the nucleus and electrons are found in an electron cloud around the nucleus, arranged in several orbitals.

             Protons are positively charged and electrons are negatively charged.

             Electrons have an almost negligible mass. That is why when atomic mass is calculated, it only takes into account the mass of the protons present in the atom.

The number of protons and the number of electrons in an atom are equal so that the net charge on the atom is zero (positive and negative balance each other out).




Instead making a graphic organizer on this post I´ve decided to show a video where is explained the similarities and differences between electrons and protons in a really easy way:
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14 comments:

  1. Unknown12 November 2013 at 17:24

    Who ever wrote this made a mistake. By saying Neutrons does not have a mass. In fact Neutrons does have a mass of 1amu. The mass of protons and neutrons are what defines what kind of element or atom it is.

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  2. Unknown14 December 2016 at 18:51

    Thanks, that helped me understand better

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  3. tonyon22 February 2018 at 11:20

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    hi

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